{ "contractName": "DepositUtils", "abi": [ { "constant": true, "inputs": [ { "internalType": "bytes32", "name": "_pubkeyY", "type": "bytes32" } ], "name": "determineCompressionPrefix", "outputs": [ { "internalType": "bytes", "name": "", "type": "bytes" } ], "payable": false, "stateMutability": "pure", "type": "function" }, { "constant": true, "inputs": [ { "internalType": "bytes32", "name": "_pubkeyX", "type": "bytes32" }, { "internalType": "bytes32", "name": "_pubkeyY", "type": "bytes32" } ], "name": "compressPubkey", "outputs": [ { "internalType": "bytes", "name": "", "type": "bytes" } ], "payable": false, "stateMutability": "pure", "type": "function" }, { "constant": true, "inputs": [ { "internalType": "bytes8", "name": "_b", "type": "bytes8" } ], "name": "bytes8LEToUint", "outputs": [ { "internalType": "uint256", "name": "", "type": "uint256" } ], "payable": false, "stateMutability": "pure", "type": "function" } ], "metadata": "{\"compiler\":{\"version\":\"0.5.17+commit.d19bba13\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"constant\":true,\"inputs\":[{\"internalType\":\"bytes8\",\"name\":\"_b\",\"type\":\"bytes8\"}],\"name\":\"bytes8LEToUint\",\"outputs\":[{\"internalType\":\"uint256\",\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"pure\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"_pubkeyX\",\"type\":\"bytes32\"},{\"internalType\":\"bytes32\",\"name\":\"_pubkeyY\",\"type\":\"bytes32\"}],\"name\":\"compressPubkey\",\"outputs\":[{\"internalType\":\"bytes\",\"name\":\"\",\"type\":\"bytes\"}],\"payable\":false,\"stateMutability\":\"pure\",\"type\":\"function\"},{\"constant\":true,\"inputs\":[{\"internalType\":\"bytes32\",\"name\":\"_pubkeyY\",\"type\":\"bytes32\"}],\"name\":\"determineCompressionPrefix\",\"outputs\":[{\"internalType\":\"bytes\",\"name\":\"\",\"type\":\"bytes\"}],\"payable\":false,\"stateMutability\":\"pure\",\"type\":\"function\"}],\"devdoc\":{\"methods\":{\"auctionValue(DepositUtils.Deposit storage)\":{\"details\":\"We calculate the % of the auction that has elapsed, then scale the value up.\",\"params\":{\"_d\":\"Deposit storage pointer.\"},\"return\":\"The value in wei to distribute in the auction at the current time.\"},\"bytes8LEToUint(bytes8)\":{\"details\":\"Do this by converting to bytes, then reversing endianness, then converting to int.\",\"return\":\"The uint256 represented in LE by the bytes8.\"},\"checkProofFromTxId(DepositUtils.Deposit storage,bytes32,bytes,uint256,bytes)\":{\"details\":\"Stateless SPV Proof verification documented elsewhere (see https://github.com/summa-tx/bitcoin-spv).\",\"params\":{\"_bitcoinHeaders\":\"An array of tightly-packed bitcoin headers.\",\"_d\":\"Deposit storage pointer.\",\"_merkleProof\":\"The merkle proof of inclusion of the tx in the bitcoin block.\",\"_txId\":\"The bitcoin txid of the tx that is purportedly included in the header chain.\",\"_txIndexInBlock\":\"The index of the tx in the Bitcoin block (0-indexed).\"}},\"compressPubkey(bytes32,bytes32)\":{\"details\":\"Converts the 64-byte key to a 33-byte key, bitcoin-style.\",\"params\":{\"_pubkeyX\":\"The X coordinate of the public key.\",\"_pubkeyY\":\"The Y coordinate of the public key.\"},\"return\":\"The 33-byte compressed pubkey.\"},\"currentBlockDifficulty(DepositUtils.Deposit storage)\":{\"details\":\"Calls the light relay and gets the current block difficulty.\",\"return\":\"The difficulty.\"},\"depositOwner(DepositUtils.Deposit storage)\":{\"details\":\"We cast the address to a uint256 to match the 721 standard.\",\"return\":\"The current deposit beneficiary.\"},\"determineCompressionPrefix(bytes32)\":{\"details\":\"The prefix encodes the parity of the Y coordinate.\",\"params\":{\"_pubkeyY\":\"The Y coordinate of the public key.\"},\"return\":\"The 1-byte prefix for the compressed key.\"},\"evaluateProofDifficulty(DepositUtils.Deposit storage,bytes)\":{\"details\":\"Uses the light oracle to source recent difficulty.\",\"params\":{\"_bitcoinHeaders\":\"The header chain to evaluate.\"},\"return\":\"True if acceptable, otherwise revert.\"},\"feeRebateTokenHolder(DepositUtils.Deposit storage)\":{\"return\":\"The current token holder if the Token exists. address(0) if the token does not exist.\"},\"fetchBitcoinPrice(DepositUtils.Deposit storage)\":{\"details\":\"Polls the price feed via the system contract.\",\"return\":\"The current price of 1 sat in wei.\"},\"fetchBondAmount(DepositUtils.Deposit storage)\":{\"details\":\"Calls the keep contract to do so.\",\"return\":\"The amount of bonded ETH in wei.\"},\"findAndParseFundingOutput(DepositUtils.Deposit storage,bytes,uint8)\":{\"details\":\"Gets `_fundingOutputIndex` output from the output vector and validates if it is a p2wpkh output with public key hash matching this deposit's public key hash.\",\"params\":{\"_d\":\"Deposit storage pointer.\",\"_fundingOutputIndex\":\"Index of funding output in _txOutputVector.\",\"_txOutputVector\":\"All transaction outputs prepended by the number of outputs encoded as a VarInt, max 0xFC outputs.\"},\"return\":\"Funding value.\"},\"lotSizeTbtc(DepositUtils.Deposit storage)\":{\"return\":\"uint256 lot size in 10**18 decimals.\"},\"previousBlockDifficulty(DepositUtils.Deposit storage)\":{\"details\":\"Calls the light relay and gets the previous block difficulty.\",\"return\":\"The difficulty.\"},\"redemptionTeardown(DepositUtils.Deposit storage)\":{\"details\":\"We keep around the redeemer address so we can pay them out.\"},\"remainingTerm(DepositUtils.Deposit storage)\":{\"details\":\"The return value is not guaranteed since block.timestmap can be lightly manipulated by miners.\",\"return\":\"The remaining term of the deposit in seconds. 0 if already at term\"},\"signerFeeTbtc(DepositUtils.Deposit storage)\":{\"details\":\"Signers are paid based on the TBTC issued.\",\"return\":\"Accumulated fees in 10**18 decimals.\"},\"signerPKH(DepositUtils.Deposit storage)\":{\"details\":\"This is used in bitcoin output scripts for the signers.\",\"return\":\"20-bytes public key hash.\"},\"signerPubkey(DepositUtils.Deposit storage)\":{\"details\":\"We store it as 2 bytes32, (2 slots) then repack it on demand.\",\"return\":\"64 byte public key.\"},\"utxoValue(DepositUtils.Deposit storage)\":{\"details\":\"We store the deposit as bytes8 to make signature checking easier.\",\"return\":\"UTXO value in satoshi.\"},\"validateAndParseFundingSPVProof(DepositUtils.Deposit storage,bytes4,bytes,bytes,bytes4,uint8,bytes,uint256,bytes)\":{\"details\":\"Takes a pre-parsed transaction and calculates values needed to verify funding.\",\"params\":{\"_bitcoinHeaders\":\"Single bytestring of 80-byte bitcoin headers, lowest height first.\",\"_d\":\"Deposit storage pointer.\",\"_fundingOutputIndex\":\"Index of funding output in _txOutputVector (0-indexed).\",\"_merkleProof\":\"The merkle proof of transaction inclusion in a block.\",\"_txIndexInBlock\":\"Transaction index in the block (0-indexed).\",\"_txInputVector\":\"All transaction inputs prepended by the number of inputs encoded as a VarInt, max 0xFC(252) inputs.\",\"_txLocktime\":\"Final 4 bytes of the transaction.\",\"_txOutputVector\":\"All transaction outputs prepended by the number of outputs encoded as a VarInt, max 0xFC(252) outputs.\",\"_txVersion\":\"Transaction version number (4-byte LE).\"},\"return\":\"The 8-byte LE UTXO size in satoshi, the 36byte outpoint.\"},\"wasDigestApprovedForSigning(DepositUtils.Deposit storage,bytes32)\":{\"details\":\"Identifies entry in the recorded approvals by keep ID and digest pair.\",\"params\":{\"_digest\":\"Digest to check approval for.\"},\"return\":\"Timestamp from the moment of recording the digest for signing. Returns 0 if the digest was not approved for signing.\"}}},\"userdoc\":{\"methods\":{\"auctionValue(DepositUtils.Deposit storage)\":{\"notice\":\"Calculates the amount of value at auction right now.\"},\"bytes8LEToUint(bytes8)\":{\"notice\":\"Convert a LE bytes8 to a uint256.\"},\"checkProofFromTxId(DepositUtils.Deposit storage,bytes32,bytes,uint256,bytes)\":{\"notice\":\"Syntactically check an SPV proof for a bitcoin transaction with its hash (ID).\"},\"compressPubkey(bytes32,bytes32)\":{\"notice\":\"Compresses a public key.\"},\"currentBlockDifficulty(DepositUtils.Deposit storage)\":{\"notice\":\"Gets the current block difficulty.\"},\"depositOwner(DepositUtils.Deposit storage)\":{\"notice\":\"Looks up the deposit beneficiary by calling the tBTC system.\"},\"determineCompressionPrefix(bytes32)\":{\"notice\":\"Determines the prefix to the compressed public key.\"},\"evaluateProofDifficulty(DepositUtils.Deposit storage,bytes)\":{\"notice\":\"Evaluates the header difficulties in a proof.\"},\"feeRebateTokenHolder(DepositUtils.Deposit storage)\":{\"notice\":\"Looks up the Fee Rebate Token holder.\"},\"fetchBitcoinPrice(DepositUtils.Deposit storage)\":{\"notice\":\"Gets the current price of Bitcoin in Ether.\"},\"fetchBondAmount(DepositUtils.Deposit storage)\":{\"notice\":\"Fetches the Keep's bond amount in wei.\"},\"findAndParseFundingOutput(DepositUtils.Deposit storage,bytes,uint8)\":{\"notice\":\"Find and validate funding output in transaction output vector using the index.\"},\"lotSizeTbtc(DepositUtils.Deposit storage)\":{\"notice\":\"Gets the lot size in erc20 decimal places (max 18)\"},\"previousBlockDifficulty(DepositUtils.Deposit storage)\":{\"notice\":\"Gets the previous block difficulty.\"},\"redemptionTeardown(DepositUtils.Deposit storage)\":{\"notice\":\"Deletes state after termination of redemption process.\"},\"remainingTerm(DepositUtils.Deposit storage)\":{\"notice\":\"Retreive the remaining term of the deposit\"},\"signerFeeTbtc(DepositUtils.Deposit storage)\":{\"notice\":\"Determines the fees due to the signers for work performed.\"},\"signerPKH(DepositUtils.Deposit storage)\":{\"notice\":\"Returns the Bitcoin pubkeyhash (hash160) for the signing group.\"},\"signerPubkey(DepositUtils.Deposit storage)\":{\"notice\":\"Returns the packed public key (64 bytes) for the signing group.\"},\"utxoValue(DepositUtils.Deposit storage)\":{\"notice\":\"Returns the size of the deposit UTXO in satoshi.\"},\"validateAndParseFundingSPVProof(DepositUtils.Deposit storage,bytes4,bytes,bytes,bytes4,uint8,bytes,uint256,bytes)\":{\"notice\":\"Validates the funding tx and parses information from it.\"},\"wasDigestApprovedForSigning(DepositUtils.Deposit storage,bytes32)\":{\"notice\":\"Gets timestamp of digest approval for signing.\"}}}},\"settings\":{\"compilationTarget\":{\"/home/runner/work/tbtc/tbtc/solidity/contracts/deposit/DepositUtils.sol\":\"DepositUtils\"},\"evmVersion\":\"istanbul\",\"libraries\":{},\"optimizer\":{\"enabled\":true,\"runs\":200},\"remappings\":[]},\"sources\":{\"/home/runner/work/tbtc/tbtc/solidity/contracts/deposit/DepositStates.sol\":{\"keccak256\":\"0x0b407fe4cfa56771c7cb0280e58c23e6c79089bb0f39ec9af83855103cfadce0\",\"urls\":[\"bzz-raw://b06c9ff8c10125cd7dcee7167fd081c95248c97c699a4dfc92bf65d68774f5f1\",\"dweb:/ipfs/QmcdTkj1XtJcPhF9pxr56xV4DW3SxGaaiE5PeGxbYVoHL3\"]},\"/home/runner/work/tbtc/tbtc/solidity/contracts/deposit/DepositUtils.sol\":{\"keccak256\":\"0xc18e532fc384f45567abcf7fbe7bccb885308d63ffeed41d9cf845573a289b98\",\"urls\":[\"bzz-raw://7250e8fce13326313e64d2f24e093bd51c9fdba939b8370f64a1fe820814275b\",\"dweb:/ipfs/QmVfX5w4xN6gxoqbdgPeeTbBvFtxxaNYWSknSY7JDtve2b\"]},\"/home/runner/work/tbtc/tbtc/solidity/contracts/interfaces/ITBTCSystem.sol\":{\"keccak256\":\"0xd8530ab1baddbdfbba6c1b03e547375afe79493b9948d645f94fc0da12ec953b\",\"urls\":[\"bzz-raw://713285a0a4d865a37f3770ce848c20f7277e1540c0a8aa43c2ae0966a7c3df9a\",\"dweb:/ipfs/QmaPiXxvySt9UDmQtVGidh8TQ4XJdxY2X61rEBd8346ELi\"]},\"/home/runner/work/tbtc/tbtc/solidity/contracts/interfaces/ITokenRecipient.sol\":{\"keccak256\":\"0x4ac6830ad44d0b0d70ebabc60150e9c915c7c0bd0129ef868d5d2cd8da0c32bd\",\"urls\":[\"bzz-raw://a5c6465285add41f07a951f90405800a8802e323ea11e9c7bdb5625ce109c7f7\",\"dweb:/ipfs/QmRf7B4WxsS7gbSwUotgQM633BQc2ye7rhYC1RNVFamBfp\"]},\"/home/runner/work/tbtc/tbtc/solidity/contracts/system/FeeRebateToken.sol\":{\"keccak256\":\"0x3d9980b4b18be7e69364b93581d86d08dd2c66fc76b2f9f0af0b4911dc648318\",\"urls\":[\"bzz-raw://751dae1cd68c285a22b513d515074eb6704e11e00ba8196f360d47dc8551dd86\",\"dweb:/ipfs/QmRe5u8bjSd2CMvjgWMzpeea3VdcqEGwAP91zvjxgur8o8\"]},\"/home/runner/work/tbtc/tbtc/solidity/contracts/system/TBTCConstants.sol\":{\"keccak256\":\"0x74833fb25cf9f24716d563c8fad0fd6172d03577dc85ab4271ca4754285ee915\",\"urls\":[\"bzz-raw://62d37b71546ea52f0c86170b588b021a488785e8570f904f0d2bcfecee93f6a7\",\"dweb:/ipfs/QmePuD631VYpEproKbap8cPXmWeb5mYjU6bwEWnxKCVWbz\"]},\"/home/runner/work/tbtc/tbtc/solidity/contracts/system/TBTCToken.sol\":{\"keccak256\":\"0x167b07029df8d350996d7f82d853437d1a2562401eeac98037c2eb4c5f295319\",\"urls\":[\"bzz-raw://7d2601ac8dcd5d59b3e479a61262de2162c96ed7ad1cd161331e2e4500b8346a\",\"dweb:/ipfs/QmWVjBSvHFg9W5zsSxgdpNSYKgfLa28fr3mPjjKQaDBxmk\"]},\"/home/runner/work/tbtc/tbtc/solidity/contracts/system/VendingMachineAuthority.sol\":{\"keccak256\":\"0x7ad8a2cee5e6bbc187d04b147dc0d2bc2ae12bb8c3680870be9013dd5543bfd6\",\"urls\":[\"bzz-raw://733f2370c788437b0034c40a8df07f4714009769ed8134a9c656e2a103996687\",\"dweb:/ipfs/Qma9LAGQDzyUvsbhLx3FUKRCx3FmnoZuMxG4SUdjLr8bRm\"]},\"@keep-network/keep-ecdsa/contracts/api/IBondedECDSAKeep.sol\":{\"keccak256\":\"0x8f1edc0a2dfb4d167d190989ebc1c4256664e50ec1f82dfaeb25fa5d4a76a35a\",\"urls\":[\"bzz-raw://e815868907cc082fee1e3964be7de12da2161863d68dd1532a74e3a97bacf533\",\"dweb:/ipfs/Qmd8DqutKSwxh38WWA1ydftNkiAxSD9sqxa7qf1asHKA8c\"]},\"@summa-tx/bitcoin-spv-sol/contracts/BTCUtils.sol\":{\"keccak256\":\"0x461cc52e40ba53e646f5c9505b992baa3d5b3c98ae5718561e61b3bc6c726d52\",\"urls\":[\"bzz-raw://90cf2e608b660671642a616ec044e2a39e8ceb7079315b6133ec978c47af9f98\",\"dweb:/ipfs/QmX4hyYS99RYWiQ7BwLXuvQpU5x62YbjJWLgYFwrPkYbzT\"]},\"@summa-tx/bitcoin-spv-sol/contracts/BytesLib.sol\":{\"keccak256\":\"0x43451fdb4c4d55c01122411a4cf89a5c544c2bd4b646ee1d1f306626275324bf\",\"urls\":[\"bzz-raw://db93f07c32fa294d416aaab1b19a205772f2a3fa573fd380e5641e7770193ccf\",\"dweb:/ipfs/QmVE4y8cFKWZGKEfTM9Q3YreAArpMTTALHNr2tcvcNDnbi\"]},\"@summa-tx/bitcoin-spv-sol/contracts/SafeMath.sol\":{\"keccak256\":\"0x22d34c04c68c2a77ee83e2ef3756f6e6bad6ad675560d777e612315d7eb83935\",\"urls\":[\"bzz-raw://b642c61be1d34e153e4f9cc139291fa26f4ecf31a3acc5b960aad20f4f689eeb\",\"dweb:/ipfs/QmWADdVTCSyvtgb76AxFFkAr9h9jbY57Mj5X6xiEqCqmMu\"]},\"@summa-tx/bitcoin-spv-sol/contracts/ValidateSPV.sol\":{\"keccak256\":\"0x9af3b3f36de63e95977f09548617989e391b3c511cf0383ee35cefd5da7d3bfd\",\"urls\":[\"bzz-raw://97ce025c7d18540e4c24578db61cc5e33828be8e9a82b5cb5f46c99212f75ed1\",\"dweb:/ipfs/QmRrdWnd95rgCZzeaNiU4KUcGe1j7oDBj7LatpXhUmjbEE\"]},\"openzeppelin-solidity/contracts/drafts/Counters.sol\":{\"keccak256\":\"0x5eb69360d3441ab2ee799bd7c007cccbffb0896f12b2dfe1456193e2aa180a11\",\"urls\":[\"bzz-raw://072e8b5a1b5acfc2acba9b6fb87d1dc57065aad44572617ad46b014074969eb3\",\"dweb:/ipfs/QmVTDHUriaxBJqiWCWgWC8vYaYYfXSz883LsowzTx1DcpK\"]},\"openzeppelin-solidity/contracts/introspection/ERC165.sol\":{\"keccak256\":\"0xac2eacd7e7762e275442f28f21d821544df5aae2ed7698af13be8c41b7005e2e\",\"urls\":[\"bzz-raw://8bdbefb642e7b08535c66bbf074e576cfef2300cdf910c1e0b211f6393833a28\",\"dweb:/ipfs/QmQhfx2Ufr8a2gFXm3KogL66xGgAuAWMwcamkWFKGG6Vya\"]},\"openzeppelin-solidity/contracts/introspection/IERC165.sol\":{\"keccak256\":\"0x661553e43d7c4fbb2de504e5999fd5c104d367488350e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"source": "pragma solidity 0.5.17;\n\nimport {ValidateSPV} from \"@summa-tx/bitcoin-spv-sol/contracts/ValidateSPV.sol\";\nimport {BTCUtils} from \"@summa-tx/bitcoin-spv-sol/contracts/BTCUtils.sol\";\nimport {BytesLib} from \"@summa-tx/bitcoin-spv-sol/contracts/BytesLib.sol\";\nimport {\n IBondedECDSAKeep\n} from \"@keep-network/keep-ecdsa/contracts/api/IBondedECDSAKeep.sol\";\nimport {\n IERC721\n} from \"openzeppelin-solidity/contracts/token/ERC721/IERC721.sol\";\nimport {SafeMath} from \"openzeppelin-solidity/contracts/math/SafeMath.sol\";\nimport {DepositStates} from \"./DepositStates.sol\";\nimport {TBTCConstants} from \"../system/TBTCConstants.sol\";\nimport {ITBTCSystem} from \"../interfaces/ITBTCSystem.sol\";\nimport {TBTCToken} from \"../system/TBTCToken.sol\";\nimport {FeeRebateToken} from \"../system/FeeRebateToken.sol\";\n\nlibrary DepositUtils {\n using SafeMath for uint256;\n using SafeMath for uint64;\n using BytesLib for bytes;\n using BTCUtils for bytes;\n using BTCUtils for uint256;\n using ValidateSPV for bytes;\n using ValidateSPV for bytes32;\n using DepositStates for DepositUtils.Deposit;\n\n struct Deposit {\n // SET DURING CONSTRUCTION\n ITBTCSystem tbtcSystem;\n TBTCToken tbtcToken;\n IERC721 tbtcDepositToken;\n FeeRebateToken feeRebateToken;\n address vendingMachineAddress;\n uint64 lotSizeSatoshis;\n uint8 currentState;\n uint16 signerFeeDivisor;\n uint16 initialCollateralizedPercent;\n uint16 undercollateralizedThresholdPercent;\n uint16 severelyUndercollateralizedThresholdPercent;\n uint256 keepSetupFee;\n // SET ON FRAUD\n uint256 liquidationInitiated; // Timestamp of when liquidation starts\n uint256 courtesyCallInitiated; // When the courtesy call is issued\n address payable liquidationInitiator;\n // written when we request a keep\n address keepAddress; // The address of our keep contract\n uint256 signingGroupRequestedAt; // timestamp of signing group request\n // written when we get a keep result\n uint256 fundingProofTimerStart; // start of the funding proof period. reused for funding fraud proof period\n bytes32 signingGroupPubkeyX; // The X coordinate of the signing group's pubkey\n bytes32 signingGroupPubkeyY; // The Y coordinate of the signing group's pubkey\n // INITIALLY WRITTEN BY REDEMPTION FLOW\n address payable redeemerAddress; // The redeemer's address, used as fallback for fraud in redemption\n bytes redeemerOutputScript; // The redeemer output script\n uint256 initialRedemptionFee; // the initial fee as requested\n uint256 latestRedemptionFee; // the fee currently required by a redemption transaction\n uint256 withdrawalRequestTime; // the most recent withdrawal request timestamp\n bytes32 lastRequestedDigest; // the digest most recently requested for signing\n // written when we get funded\n bytes8 utxoValueBytes; // LE uint. the size of the deposit UTXO in satoshis\n uint256 fundedAt; // timestamp when funding proof was received\n bytes utxoOutpoint; // the 36-byte outpoint of the custodied UTXO\n /// @dev Map of ETH balances an address can withdraw after contract reaches ends-state.\n mapping(address => uint256) withdrawableAmounts;\n /// @dev Map of timestamps representing when transaction digests were approved for signing\n mapping(bytes32 => uint256) approvedDigests;\n }\n\n /// @notice Closes keep associated with the deposit.\n /// @dev Should be called when the keep is no longer needed and the signing\n /// group can disband.\n function closeKeep(DepositUtils.Deposit storage _d) internal {\n IBondedECDSAKeep _keep = IBondedECDSAKeep(_d.keepAddress);\n _keep.closeKeep();\n }\n\n /// @notice Gets the current block difficulty.\n /// @dev Calls the light relay and gets the current block difficulty.\n /// @return The difficulty.\n function currentBlockDifficulty(Deposit storage _d)\n public\n view\n returns (uint256)\n {\n return _d.tbtcSystem.fetchRelayCurrentDifficulty();\n }\n\n /// @notice Gets the previous block difficulty.\n /// @dev Calls the light relay and gets the previous block difficulty.\n /// @return The difficulty.\n function previousBlockDifficulty(Deposit storage _d)\n public\n view\n returns (uint256)\n {\n return _d.tbtcSystem.fetchRelayPreviousDifficulty();\n }\n\n /// @notice Evaluates the header difficulties in a proof.\n /// @dev Uses the light oracle to source recent difficulty.\n /// @param _bitcoinHeaders The header chain to evaluate.\n /// @return True if acceptable, otherwise revert.\n function evaluateProofDifficulty(\n Deposit storage _d,\n bytes memory _bitcoinHeaders\n ) public view {\n uint256 _reqDiff;\n uint256 _current = currentBlockDifficulty(_d);\n uint256 _previous = previousBlockDifficulty(_d);\n uint256 _firstHeaderDiff =\n _bitcoinHeaders.extractTarget().calculateDifficulty();\n\n if (_firstHeaderDiff == _current) {\n _reqDiff = _current;\n } else if (_firstHeaderDiff == _previous) {\n _reqDiff = _previous;\n } else {\n revert(\"not at current or previous difficulty\");\n }\n\n uint256 _observedDiff = _bitcoinHeaders.validateHeaderChain();\n\n require(\n _observedDiff != ValidateSPV.getErrBadLength(),\n \"Invalid length of the headers chain\"\n );\n require(\n _observedDiff != ValidateSPV.getErrInvalidChain(),\n \"Invalid headers chain\"\n );\n require(\n _observedDiff != ValidateSPV.getErrLowWork(),\n \"Insufficient work in a header\"\n );\n\n require(\n _observedDiff >=\n _reqDiff.mul(TBTCConstants.getTxProofDifficultyFactor()),\n \"Insufficient accumulated difficulty in header chain\"\n );\n }\n\n /// @notice Syntactically check an SPV proof for a bitcoin transaction with its hash (ID).\n /// @dev Stateless SPV Proof verification documented elsewhere (see https://github.com/summa-tx/bitcoin-spv).\n /// @param _d Deposit storage pointer.\n /// @param _txId The bitcoin txid of the tx that is purportedly included in the header chain.\n /// @param _merkleProof The merkle proof of inclusion of the tx in the bitcoin block.\n /// @param _txIndexInBlock The index of the tx in the Bitcoin block (0-indexed).\n /// @param _bitcoinHeaders An array of tightly-packed bitcoin headers.\n function checkProofFromTxId(\n Deposit storage _d,\n bytes32 _txId,\n bytes memory _merkleProof,\n uint256 _txIndexInBlock,\n bytes memory _bitcoinHeaders\n ) public view {\n require(\n _txId.prove(\n _bitcoinHeaders.extractMerkleRootLE().toBytes32(),\n _merkleProof,\n _txIndexInBlock\n ),\n \"Tx merkle proof is not valid for provided header and txId\"\n );\n evaluateProofDifficulty(_d, _bitcoinHeaders);\n }\n\n /// @notice Find and validate funding output in transaction output vector using the index.\n /// @dev Gets `_fundingOutputIndex` output from the output vector and validates if it is\n /// a p2wpkh output with public key hash matching this deposit's public key hash.\n /// @param _d Deposit storage pointer.\n /// @param _txOutputVector All transaction outputs prepended by the number of outputs encoded as a VarInt, max 0xFC outputs.\n /// @param _fundingOutputIndex Index of funding output in _txOutputVector.\n /// @return Funding value.\n function findAndParseFundingOutput(\n DepositUtils.Deposit storage _d,\n bytes memory _txOutputVector,\n uint8 _fundingOutputIndex\n ) public view returns (bytes8) {\n bytes8 _valueBytes;\n bytes memory _output;\n\n // Find the output paying the signer PKH\n _output = _txOutputVector.extractOutputAtIndex(_fundingOutputIndex);\n\n require(\n keccak256(_output.extractHash()) ==\n keccak256(abi.encodePacked(signerPKH(_d))),\n \"Could not identify output funding the required public key hash\"\n );\n require(\n _output.length == 31 &&\n _output.keccak256Slice(8, 23) ==\n keccak256(abi.encodePacked(hex\"160014\", signerPKH(_d))),\n \"Funding transaction output type unsupported: only p2wpkh outputs are supported\"\n );\n\n _valueBytes = bytes8(_output.slice(0, 8).toBytes32());\n return _valueBytes;\n }\n\n /// @notice Validates the funding tx and parses information from it.\n /// @dev Takes a pre-parsed transaction and calculates values needed to verify funding.\n /// @param _d Deposit storage pointer.\n /// @param _txVersion Transaction version number (4-byte LE).\n /// @param _txInputVector All transaction inputs prepended by the number of inputs encoded as a VarInt, max 0xFC(252) inputs.\n /// @param _txOutputVector All transaction outputs prepended by the number of outputs encoded as a VarInt, max 0xFC(252) outputs.\n /// @param _txLocktime Final 4 bytes of the transaction.\n /// @param _fundingOutputIndex Index of funding output in _txOutputVector (0-indexed).\n /// @param _merkleProof The merkle proof of transaction inclusion in a block.\n /// @param _txIndexInBlock Transaction index in the block (0-indexed).\n /// @param _bitcoinHeaders Single bytestring of 80-byte bitcoin headers, lowest height first.\n /// @return The 8-byte LE UTXO size in satoshi, the 36byte outpoint.\n function validateAndParseFundingSPVProof(\n DepositUtils.Deposit storage _d,\n bytes4 _txVersion,\n bytes memory _txInputVector,\n bytes memory _txOutputVector,\n bytes4 _txLocktime,\n uint8 _fundingOutputIndex,\n bytes memory _merkleProof,\n uint256 _txIndexInBlock,\n bytes memory _bitcoinHeaders\n ) public view returns (bytes8 _valueBytes, bytes memory _utxoOutpoint) {\n // not external to allow bytes memory parameters\n require(_txInputVector.validateVin(), \"invalid input vector provided\");\n require(\n _txOutputVector.validateVout(),\n \"invalid output vector provided\"\n );\n\n bytes32 txID =\n abi\n .encodePacked(\n _txVersion,\n _txInputVector,\n _txOutputVector,\n _txLocktime\n )\n .hash256();\n\n _valueBytes = findAndParseFundingOutput(\n _d,\n _txOutputVector,\n _fundingOutputIndex\n );\n\n require(\n bytes8LEToUint(_valueBytes) >= _d.lotSizeSatoshis,\n \"Deposit too small\"\n );\n\n checkProofFromTxId(\n _d,\n txID,\n _merkleProof,\n _txIndexInBlock,\n _bitcoinHeaders\n );\n\n // The utxoOutpoint is the LE txID plus the index of the output as a 4-byte LE int\n // _fundingOutputIndex is a uint8, so we know it is only 1 byte\n // Therefore, pad with 3 more bytes\n _utxoOutpoint = abi.encodePacked(\n txID,\n _fundingOutputIndex,\n hex\"000000\"\n );\n }\n\n /// @notice Retreive the remaining term of the deposit\n /// @dev The return value is not guaranteed since block.timestmap can be lightly manipulated by miners.\n /// @return The remaining term of the deposit in seconds. 0 if already at term\n function remainingTerm(DepositUtils.Deposit storage _d)\n public\n view\n returns (uint256)\n {\n uint256 endOfTerm = _d.fundedAt.add(TBTCConstants.getDepositTerm());\n if (block.timestamp < endOfTerm) {\n return endOfTerm.sub(block.timestamp);\n }\n return 0;\n }\n\n /// @notice Calculates the amount of value at auction right now.\n /// @dev We calculate the % of the auction that has elapsed, then scale the value up.\n /// @param _d Deposit storage pointer.\n /// @return The value in wei to distribute in the auction at the current time.\n function auctionValue(Deposit storage _d) external view returns (uint256) {\n uint256 _elapsed = block.timestamp.sub(_d.liquidationInitiated);\n uint256 _available = address(this).balance;\n if (_elapsed > TBTCConstants.getAuctionDuration()) {\n return _available;\n }\n\n // This should make a smooth flow from base% to 100%\n uint256 _basePercentage = getAuctionBasePercentage(_d);\n uint256 _elapsedPercentage =\n uint256(100).sub(_basePercentage).mul(_elapsed).div(\n TBTCConstants.getAuctionDuration()\n );\n uint256 _percentage = _basePercentage.add(_elapsedPercentage);\n\n return _available.mul(_percentage).div(100);\n }\n\n /// @notice Gets the lot size in erc20 decimal places (max 18)\n /// @return uint256 lot size in 10**18 decimals.\n function lotSizeTbtc(Deposit storage _d) public view returns (uint256) {\n return _d.lotSizeSatoshis.mul(TBTCConstants.getSatoshiMultiplier());\n }\n\n /// @notice Determines the fees due to the signers for work performed.\n /// @dev Signers are paid based on the TBTC issued.\n /// @return Accumulated fees in 10**18 decimals.\n function signerFeeTbtc(Deposit storage _d) public view returns (uint256) {\n return lotSizeTbtc(_d).div(_d.signerFeeDivisor);\n }\n\n /// @notice Determines the prefix to the compressed public key.\n /// @dev The prefix encodes the parity of the Y coordinate.\n /// @param _pubkeyY The Y coordinate of the public key.\n /// @return The 1-byte prefix for the compressed key.\n function determineCompressionPrefix(bytes32 _pubkeyY)\n public\n pure\n returns (bytes memory)\n {\n if (uint256(_pubkeyY) & 1 == 1) {\n return hex\"03\"; // Odd Y\n } else {\n return hex\"02\"; // Even Y\n }\n }\n\n /// @notice Compresses a public key.\n /// @dev Converts the 64-byte key to a 33-byte key, bitcoin-style.\n /// @param _pubkeyX The X coordinate of the public key.\n /// @param _pubkeyY The Y coordinate of the public key.\n /// @return The 33-byte compressed pubkey.\n function compressPubkey(bytes32 _pubkeyX, bytes32 _pubkeyY)\n public\n pure\n returns (bytes memory)\n {\n return abi.encodePacked(determineCompressionPrefix(_pubkeyY), _pubkeyX);\n }\n\n /// @notice Returns the packed public key (64 bytes) for the signing group.\n /// @dev We store it as 2 bytes32, (2 slots) then repack it on demand.\n /// @return 64 byte public key.\n function signerPubkey(Deposit storage _d)\n external\n view\n returns (bytes memory)\n {\n return abi.encodePacked(_d.signingGroupPubkeyX, _d.signingGroupPubkeyY);\n }\n\n /// @notice Returns the Bitcoin pubkeyhash (hash160) for the signing group.\n /// @dev This is used in bitcoin output scripts for the signers.\n /// @return 20-bytes public key hash.\n function signerPKH(Deposit storage _d) public view returns (bytes20) {\n bytes memory _pubkey =\n compressPubkey(_d.signingGroupPubkeyX, _d.signingGroupPubkeyY);\n bytes memory _digest = _pubkey.hash160();\n return bytes20(_digest.toAddress(0)); // dirty solidity hack\n }\n\n /// @notice Returns the size of the deposit UTXO in satoshi.\n /// @dev We store the deposit as bytes8 to make signature checking easier.\n /// @return UTXO value in satoshi.\n function utxoValue(Deposit storage _d) external view returns (uint256) {\n return bytes8LEToUint(_d.utxoValueBytes);\n }\n\n /// @notice Gets the current price of Bitcoin in Ether.\n /// @dev Polls the price feed via the system contract.\n /// @return The current price of 1 sat in wei.\n function fetchBitcoinPrice(Deposit storage _d)\n external\n view\n returns (uint256)\n {\n return _d.tbtcSystem.fetchBitcoinPrice();\n }\n\n /// @notice Fetches the Keep's bond amount in wei.\n /// @dev Calls the keep contract to do so.\n /// @return The amount of bonded ETH in wei.\n function fetchBondAmount(Deposit storage _d)\n external\n view\n returns (uint256)\n {\n IBondedECDSAKeep _keep = IBondedECDSAKeep(_d.keepAddress);\n return _keep.checkBondAmount();\n }\n\n /// @notice Convert a LE bytes8 to a uint256.\n /// @dev Do this by converting to bytes, then reversing endianness, then converting to int.\n /// @return The uint256 represented in LE by the bytes8.\n function bytes8LEToUint(bytes8 _b) public pure returns (uint256) {\n return abi.encodePacked(_b).reverseEndianness().bytesToUint();\n }\n\n /// @notice Gets timestamp of digest approval for signing.\n /// @dev Identifies entry in the recorded approvals by keep ID and digest pair.\n /// @param _digest Digest to check approval for.\n /// @return Timestamp from the moment of recording the digest for signing.\n /// Returns 0 if the digest was not approved for signing.\n function wasDigestApprovedForSigning(Deposit storage _d, bytes32 _digest)\n external\n view\n returns (uint256)\n {\n return _d.approvedDigests[_digest];\n }\n\n /// @notice Looks up the Fee Rebate Token holder.\n /// @return The current token holder if the Token exists.\n /// address(0) if the token does not exist.\n function feeRebateTokenHolder(Deposit storage _d)\n public\n view\n returns (address payable)\n {\n address tokenHolder = address(0);\n if (_d.feeRebateToken.exists(uint256(address(this)))) {\n tokenHolder = address(\n uint160(_d.feeRebateToken.ownerOf(uint256(address(this))))\n );\n }\n return address(uint160(tokenHolder));\n }\n\n /// @notice Looks up the deposit beneficiary by calling the tBTC system.\n /// @dev We cast the address to a uint256 to match the 721 standard.\n /// @return The current deposit beneficiary.\n function depositOwner(Deposit storage _d)\n public\n view\n returns (address payable)\n {\n return\n address(\n uint160(_d.tbtcDepositToken.ownerOf(uint256(address(this))))\n );\n }\n\n /// @notice Deletes state after termination of redemption process.\n /// @dev We keep around the redeemer address so we can pay them out.\n function redemptionTeardown(Deposit storage _d) public {\n _d.redeemerOutputScript = \"\";\n _d.initialRedemptionFee = 0;\n _d.withdrawalRequestTime = 0;\n _d.lastRequestedDigest = bytes32(0);\n }\n\n /// @notice Get the starting percentage of the bond at auction.\n /// @dev This will return the same value regardless of collateral price.\n /// @return The percentage of the InitialCollateralizationPercent that will result\n /// in a 100% bond value base auction given perfect collateralization.\n function getAuctionBasePercentage(Deposit storage _d)\n internal\n view\n returns (uint256)\n {\n return uint256(10000).div(_d.initialCollateralizedPercent);\n }\n\n /// @notice Seize the signer bond from the keep contract.\n /// @dev we check our balance before and after.\n /// @return The amount seized in wei.\n function seizeSignerBonds(Deposit storage _d) internal returns (uint256) {\n uint256 _preCallBalance = address(this).balance;\n\n IBondedECDSAKeep _keep = IBondedECDSAKeep(_d.keepAddress);\n _keep.seizeSignerBonds();\n\n uint256 _postCallBalance = address(this).balance;\n require(\n _postCallBalance > _preCallBalance,\n \"No funds received, unexpected\"\n );\n return _postCallBalance.sub(_preCallBalance);\n }\n\n /// @notice Adds a given amount to the withdraw allowance for the address.\n /// @dev Withdrawals can only happen when a contract is in an end-state.\n function enableWithdrawal(\n DepositUtils.Deposit storage _d,\n address _withdrawer,\n uint256 _amount\n ) internal {\n _d.withdrawableAmounts[_withdrawer] = _d.withdrawableAmounts[\n _withdrawer\n ]\n .add(_amount);\n }\n\n /// @notice Withdraw caller's allowance.\n /// @dev Withdrawals can only happen when a contract is in an end-state.\n function withdrawFunds(DepositUtils.Deposit storage _d) internal {\n uint256 available = _d.withdrawableAmounts[msg.sender];\n\n require(_d.inEndState(), \"Contract not yet terminated\");\n require(available > 0, \"Nothing to withdraw\");\n require(\n address(this).balance >= available,\n \"Insufficient contract balance\"\n );\n\n // zero-out to prevent reentrancy\n _d.withdrawableAmounts[msg.sender] = 0;\n\n /* solium-disable-next-line security/no-call-value */\n (bool ok, ) = msg.sender.call.value(available)(\"\");\n require(ok, \"Failed to send withdrawable amount to sender\");\n }\n\n /// @notice Get the caller's withdraw allowance.\n /// @return The caller's withdraw allowance in wei.\n function getWithdrawableAmount(DepositUtils.Deposit storage _d)\n internal\n view\n returns (uint256)\n {\n return _d.withdrawableAmounts[msg.sender];\n }\n\n /// @notice Distributes the fee rebate to the Fee Rebate Token owner.\n /// @dev Whenever this is called we are shutting down.\n function distributeFeeRebate(Deposit storage _d) internal {\n address rebateTokenHolder = feeRebateTokenHolder(_d);\n\n // exit the function if there is nobody to send the rebate to\n if (rebateTokenHolder == address(0)) {\n return;\n }\n\n // pay out the rebate if it is available\n if (_d.tbtcToken.balanceOf(address(this)) >= signerFeeTbtc(_d)) {\n _d.tbtcToken.transfer(rebateTokenHolder, signerFeeTbtc(_d));\n }\n }\n\n /// @notice Pushes ether held by the deposit to the signer group.\n /// @dev Ether is returned to signing group members bonds.\n /// @param _ethValue The amount of ether to send.\n function pushFundsToKeepGroup(Deposit storage _d, uint256 _ethValue)\n internal\n {\n require(address(this).balance >= _ethValue, \"Not enough funds to send\");\n if (_ethValue > 0) {\n IBondedECDSAKeep _keep = IBondedECDSAKeep(_d.keepAddress);\n _keep.returnPartialSignerBonds.value(_ethValue)();\n }\n }\n\n /// @notice Calculate TBTC amount required for redemption by a specified\n /// _redeemer. If _assumeRedeemerHoldTdt is true, return the\n /// requirement as if the redeemer holds this deposit's TDT.\n /// @dev Will revert if redemption is not possible by the current owner and\n /// _assumeRedeemerHoldsTdt was not set. Setting\n /// _assumeRedeemerHoldsTdt only when appropriate is the responsibility\n /// of the caller; as such, this function should NEVER be publicly\n /// exposed.\n /// @param _redeemer The account that should be treated as redeeming this\n /// deposit for the purposes of this calculation.\n /// @param _assumeRedeemerHoldsTdt If true, the calculation assumes that the\n /// specified redeemer holds the TDT. If false, the calculation\n /// checks the deposit owner against the specified _redeemer. Note\n /// that this parameter should be false for all mutating calls to\n /// preserve system correctness.\n /// @return A tuple of the amount the redeemer owes to the deposit to\n /// initiate redemption, the amount that is owed to the TDT holder\n /// when redemption is initiated, and the amount that is owed to the\n /// FRT holder when redemption is initiated.\n function calculateRedemptionTbtcAmounts(\n DepositUtils.Deposit storage _d,\n address _redeemer,\n bool _assumeRedeemerHoldsTdt\n )\n internal\n view\n returns (\n uint256 owedToDeposit,\n uint256 owedToTdtHolder,\n uint256 owedToFrtHolder\n )\n {\n bool redeemerHoldsTdt =\n _assumeRedeemerHoldsTdt || depositOwner(_d) == _redeemer;\n bool preTerm = remainingTerm(_d) > 0 && !_d.inCourtesyCall();\n\n require(\n redeemerHoldsTdt || !preTerm,\n \"Only TDT holder can redeem unless deposit is at-term or in COURTESY_CALL\"\n );\n\n bool frtExists = feeRebateTokenHolder(_d) != address(0);\n bool redeemerHoldsFrt = feeRebateTokenHolder(_d) == _redeemer;\n uint256 signerFee = signerFeeTbtc(_d);\n\n uint256 feeEscrow =\n calculateRedemptionFeeEscrow(\n signerFee,\n preTerm,\n frtExists,\n redeemerHoldsTdt,\n redeemerHoldsFrt\n );\n\n // Base redemption + fee = total we need to have escrowed to start\n // redemption.\n owedToDeposit = calculateBaseRedemptionCharge(\n lotSizeTbtc(_d),\n redeemerHoldsTdt\n )\n .add(feeEscrow);\n\n // Adjust the amount owed to the deposit based on any balance the\n // deposit already has.\n uint256 balance = _d.tbtcToken.balanceOf(address(this));\n if (owedToDeposit > balance) {\n owedToDeposit = owedToDeposit.sub(balance);\n } else {\n owedToDeposit = 0;\n }\n\n // Pre-term, the FRT rebate is payed out, but if the redeemer holds the\n // FRT, the amount has already been subtracted from what is owed to the\n // deposit at this point (by calculateRedemptionFeeEscrow). This allows\n // the redeemer to simply *not pay* the fee rebate, rather than having\n // them pay it only to have it immediately returned.\n if (preTerm && frtExists && !redeemerHoldsFrt) {\n owedToFrtHolder = signerFee;\n }\n\n // The TDT holder gets any leftover balance.\n owedToTdtHolder = balance.add(owedToDeposit).sub(signerFee).sub(\n owedToFrtHolder\n );\n\n return (owedToDeposit, owedToTdtHolder, owedToFrtHolder);\n }\n\n /// @notice Get the base TBTC amount needed to redeem.\n /// @param _lotSize The lot size to use for the base redemption charge.\n /// @param _redeemerHoldsTdt True if the redeemer is the TDT holder.\n /// @return The amount in TBTC.\n function calculateBaseRedemptionCharge(\n uint256 _lotSize,\n bool _redeemerHoldsTdt\n ) internal pure returns (uint256) {\n if (_redeemerHoldsTdt) {\n return 0;\n }\n return _lotSize;\n }\n\n /// @notice Get fees owed for redemption\n /// @param signerFee The value of the signer fee for fee calculations.\n /// @param _preTerm True if the Deposit is at-term or in courtesy_call.\n /// @param _frtExists True if the FRT exists.\n /// @param _redeemerHoldsTdt True if the the redeemer holds the TDT.\n /// @param _redeemerHoldsFrt True if the redeemer holds the FRT.\n /// @return The fees owed in TBTC.\n function calculateRedemptionFeeEscrow(\n uint256 signerFee,\n bool _preTerm,\n bool _frtExists,\n bool _redeemerHoldsTdt,\n bool _redeemerHoldsFrt\n ) internal pure returns (uint256) {\n // Escrow the fee rebate so the FRT holder can be repaids, unless the\n // redeemer holds the FRT, in which case we simply don't require the\n // rebate from them.\n bool escrowRequiresFeeRebate =\n _preTerm && _frtExists && !_redeemerHoldsFrt;\n\n bool escrowRequiresFee =\n _preTerm ||\n // If the FRT exists at term/courtesy call, the fee is\n // \"required\", but should already be escrowed before redemption.\n _frtExists ||\n // The TDT holder always owes fees if there is no FRT.\n _redeemerHoldsTdt;\n\n uint256 feeEscrow = 0;\n if (escrowRequiresFee) {\n feeEscrow += signerFee;\n }\n if (escrowRequiresFeeRebate) {\n feeEscrow += signerFee;\n }\n\n return feeEscrow;\n }\n}\n", "sourcePath": "/home/runner/work/tbtc/tbtc/solidity/contracts/deposit/DepositUtils.sol", "ast": { "absolutePath": "/home/runner/work/tbtc/tbtc/solidity/contracts/deposit/DepositUtils.sol", "exportedSymbols": { "DepositUtils": [ 5103 ] }, "id": 5104, "nodeType": "SourceUnit", "nodes": [ { "id": 3780, "literals": [ "solidity", "0.5", ".17" ], "nodeType": "PragmaDirective", "src": "0:23:7" }, { "absolutePath": "@summa-tx/bitcoin-spv-sol/contracts/ValidateSPV.sol", "file": "@summa-tx/bitcoin-spv-sol/contracts/ValidateSPV.sol", "id": 3782, "nodeType": "ImportDirective", "scope": 5104, "sourceUnit": 14208, "src": "25:80:7", "symbolAliases": [ { "foreign": 3781, "local": null } ], "unitAlias": "" }, { "absolutePath": "@summa-tx/bitcoin-spv-sol/contracts/BTCUtils.sol", "file": "@summa-tx/bitcoin-spv-sol/contracts/BTCUtils.sol", "id": 3784, 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"UsingForDirective", "src": "861:26:7", "typeName": { "id": 3807, "name": "uint64", "nodeType": "ElementaryTypeName", "src": "880:6:7", "typeDescriptions": { "typeIdentifier": "t_uint64", "typeString": "uint64" } } }, { "id": 3811, "libraryName": { "contractScope": null, "id": 3809, "name": "BytesLib", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 13432, "src": "898:8:7", "typeDescriptions": { "typeIdentifier": "t_contract$_BytesLib_$13432", "typeString": "library BytesLib" } }, "nodeType": "UsingForDirective", "src": "892:25:7", "typeName": { "id": 3810, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "911:5:7", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } } }, { "id": 3814, "libraryName": { "contractScope": null, "id": 3812, "name": "BTCUtils", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 13216, "src": "928:8:7", "typeDescriptions": { "typeIdentifier": "t_contract$_BTCUtils_$13216", "typeString": "library BTCUtils" } }, "nodeType": "UsingForDirective", "src": "922:25:7", "typeName": { "id": 3813, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "941:5:7", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } } }, { "id": 3817, "libraryName": { "contractScope": null, "id": 3815, "name": "BTCUtils", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 13216, "src": "958:8:7", "typeDescriptions": { "typeIdentifier": "t_contract$_BTCUtils_$13216", "typeString": "library BTCUtils" } }, "nodeType": "UsingForDirective", "src": "952:27:7", "typeName": { "id": 3816, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "971:7:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } }, { "id": 3820, "libraryName": { "contractScope": null, "id": 3818, "name": "ValidateSPV", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 14207, "src": "990:11:7", "typeDescriptions": { "typeIdentifier": "t_contract$_ValidateSPV_$14207", "typeString": "library ValidateSPV" } }, "nodeType": "UsingForDirective", "src": "984:28:7", "typeName": { "id": 3819, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "1006:5:7", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } } }, { "id": 3823, "libraryName": { "contractScope": null, "id": 3821, "name": "ValidateSPV", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 14207, "src": "1023:11:7", "typeDescriptions": { "typeIdentifier": "t_contract$_ValidateSPV_$14207", "typeString": "library ValidateSPV" } }, "nodeType": "UsingForDirective", "src": "1017:30:7", "typeName": { "id": 3822, "name": "bytes32", "nodeType": "ElementaryTypeName", "src": "1039:7:7", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } } }, { "id": 3826, "libraryName": { "contractScope": null, "id": 3824, "name": "DepositStates", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 3778, "src": "1058:13:7", "typeDescriptions": { "typeIdentifier": "t_contract$_DepositStates_$3778", "typeString": "library DepositStates" } }, "nodeType": "UsingForDirective", "src": "1052:45:7", "typeName": { "contractScope": null, "id": 3825, "name": "DepositUtils.Deposit", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 3893, "src": "1076:20:7", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit" } } }, { "canonicalName": "DepositUtils.Deposit", "id": 3893, "members": [ { "constant": false, "id": 3828, "name": "tbtcSystem", "nodeType": "VariableDeclaration", "scope": 3893, "src": "1163:22:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_contract$_ITBTCSystem_$5511", "typeString": "contract ITBTCSystem" }, "typeName": { "contractScope": null, "id": 3827, "name": "ITBTCSystem", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 5511, "src": "1163:11:7", "typeDescriptions": { "typeIdentifier": "t_contract$_ITBTCSystem_$5511", "typeString": "contract ITBTCSystem" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 3830, "name": "tbtcToken", "nodeType": "VariableDeclaration", "scope": 3893, "src": "1195:19:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_contract$_TBTCToken_$8561", "typeString": "contract TBTCToken" }, "typeName": { "contractScope": null, "id": 3829, "name": "TBTCToken", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 8561, "src": "1195:9:7", "typeDescriptions": { "typeIdentifier": "t_contract$_TBTCToken_$8561", "typeString": "contract TBTCToken" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 3832, "name": "tbtcDepositToken", "nodeType": "VariableDeclaration", "scope": 3893, "src": "1224:24:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_contract$_IERC721_$18287", "typeString": "contract IERC721" }, "typeName": { "contractScope": null, "id": 3831, "name": "IERC721", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 18287, "src": "1224:7:7", "typeDescriptions": { "typeIdentifier": "t_contract$_IERC721_$18287", "typeString": "contract IERC721" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 3834, "name": "feeRebateToken", "nodeType": "VariableDeclaration", "scope": 3893, "src": "1258:29:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_contract$_FeeRebateToken_$6300", "typeString": "contract FeeRebateToken" }, "typeName": { "contractScope": null, "id": 3833, "name": "FeeRebateToken", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 6300, "src": "1258:14:7", "typeDescriptions": { "typeIdentifier": "t_contract$_FeeRebateToken_$6300", "typeString": "contract FeeRebateToken" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 3836, "name": "vendingMachineAddress", "nodeType": "VariableDeclaration", "scope": 3893, "src": "1297:29:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 3835, "name": "address", "nodeType": "ElementaryTypeName", "src": "1297:7:7", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 3838, "name": "lotSizeSatoshis", "nodeType": "VariableDeclaration", "scope": 3893, "src": "1336:22:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint64", "typeString": "uint64" }, "typeName": { "id": 3837, "name": "uint64", "nodeType": "ElementaryTypeName", "src": "1336:6:7", "typeDescriptions": { "typeIdentifier": "t_uint64", "typeString": "uint64" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 3840, "name": "currentState", "nodeType": "VariableDeclaration", "scope": 3893, "src": "1368:18:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" }, "typeName": { "id": 3839, "name": "uint8", "nodeType": "ElementaryTypeName", "src": "1368:5:7", "typeDescriptions": { "typeIdentifier": "t_uint8", "typeString": "uint8" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 3842, "name": "signerFeeDivisor", "nodeType": "VariableDeclaration", "scope": 3893, "src": "1396:23:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" }, "typeName": { "id": 3841, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "1396:6:7", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 3844, "name": "initialCollateralizedPercent", "nodeType": "VariableDeclaration", "scope": 3893, "src": "1429:35:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" }, "typeName": { "id": 3843, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "1429:6:7", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 3846, "name": "undercollateralizedThresholdPercent", "nodeType": "VariableDeclaration", "scope": 3893, "src": "1474:42:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" }, "typeName": { "id": 3845, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "1474:6:7", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 3848, "name": "severelyUndercollateralizedThresholdPercent", "nodeType": "VariableDeclaration", "scope": 3893, "src": "1526:50:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" }, "typeName": { "id": 3847, "name": "uint16", "nodeType": "ElementaryTypeName", "src": "1526:6:7", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 3850, "name": "keepSetupFee", "nodeType": "VariableDeclaration", "scope": 3893, "src": "1586:20:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 3849, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1586:7:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 3852, "name": "liquidationInitiated", "nodeType": "VariableDeclaration", "scope": 3893, "src": "1640:28:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 3851, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1640:7:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 3854, "name": "courtesyCallInitiated", "nodeType": "VariableDeclaration", "scope": 3893, "src": "1718:29:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 3853, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1718:7:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 3856, "name": "liquidationInitiator", "nodeType": "VariableDeclaration", "scope": 3893, "src": "1793:36:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" }, "typeName": { "id": 3855, "name": "address", "nodeType": "ElementaryTypeName", "src": "1793:15:7", "stateMutability": "payable", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 3858, "name": "keepAddress", "nodeType": "VariableDeclaration", "scope": 3893, "src": "1881:19:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 3857, "name": "address", "nodeType": "ElementaryTypeName", "src": "1881:7:7", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 3860, "name": "signingGroupRequestedAt", "nodeType": "VariableDeclaration", "scope": 3893, "src": "1946:31:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 3859, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1946:7:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 3862, "name": "fundingProofTimerStart", "nodeType": "VariableDeclaration", "scope": 3893, "src": "2070:30:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 3861, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "2070:7:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 3864, "name": "signingGroupPubkeyX", "nodeType": "VariableDeclaration", "scope": 3893, "src": "2186:27:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" }, "typeName": { "id": 3863, "name": "bytes32", "nodeType": "ElementaryTypeName", "src": "2186:7:7", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 3866, "name": "signingGroupPubkeyY", "nodeType": "VariableDeclaration", "scope": 3893, "src": "2273:27:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" }, "typeName": { "id": 3865, "name": "bytes32", "nodeType": "ElementaryTypeName", "src": "2273:7:7", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 3868, "name": "redeemerAddress", "nodeType": "VariableDeclaration", "scope": 3893, "src": "2408:31:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" }, "typeName": { "id": 3867, "name": "address", "nodeType": "ElementaryTypeName", "src": "2408:15:7", "stateMutability": "payable", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 3870, "name": "redeemerOutputScript", "nodeType": "VariableDeclaration", "scope": 3893, "src": "2517:26:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" }, "typeName": { "id": 3869, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "2517:5:7", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 3872, "name": "initialRedemptionFee", "nodeType": "VariableDeclaration", "scope": 3893, "src": "2583:28:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 3871, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "2583:7:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 3874, "name": "latestRedemptionFee", "nodeType": "VariableDeclaration", "scope": 3893, "src": "2653:27:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 3873, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "2653:7:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 3876, "name": "withdrawalRequestTime", "nodeType": "VariableDeclaration", "scope": 3893, "src": "2748:29:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 3875, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "2748:7:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 3878, "name": "lastRequestedDigest", "nodeType": "VariableDeclaration", "scope": 3893, "src": "2835:27:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" }, "typeName": { "id": 3877, "name": "bytes32", "nodeType": "ElementaryTypeName", "src": "2835:7:7", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 3880, "name": "utxoValueBytes", "nodeType": "VariableDeclaration", "scope": 3893, "src": "2960:21:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes8", "typeString": "bytes8" }, "typeName": { "id": 3879, "name": "bytes8", "nodeType": "ElementaryTypeName", "src": "2960:6:7", "typeDescriptions": { "typeIdentifier": "t_bytes8", "typeString": "bytes8" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 3882, "name": "fundedAt", "nodeType": "VariableDeclaration", "scope": 3893, "src": "3044:16:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 3881, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "3044:7:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 3884, "name": "utxoOutpoint", "nodeType": "VariableDeclaration", "scope": 3893, "src": "3115:18:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" }, "typeName": { "id": 3883, "name": "bytes", "nodeType": "ElementaryTypeName", "src": "3115:5:7", "typeDescriptions": { "typeIdentifier": "t_bytes_storage_ptr", "typeString": "bytes" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 3888, "name": "withdrawableAmounts", "nodeType": "VariableDeclaration", "scope": 3893, "src": "3285:47:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" }, "typeName": { "id": 3887, "keyType": { "id": 3885, "name": "address", "nodeType": "ElementaryTypeName", "src": "3293:7:7", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Mapping", "src": "3285:27:7", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" }, "valueType": { "id": 3886, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "3304:7:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 3892, "name": "approvedDigests", "nodeType": "VariableDeclaration", "scope": 3893, "src": "3441:43:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_bytes32_$_t_uint256_$", "typeString": "mapping(bytes32 => uint256)" }, "typeName": { "id": 3891, "keyType": { "id": 3889, "name": "bytes32", "nodeType": "ElementaryTypeName", "src": "3449:7:7", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "nodeType": "Mapping", "src": "3441:27:7", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_bytes32_$_t_uint256_$", "typeString": "mapping(bytes32 => uint256)" }, "valueType": { "id": 3890, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "3460:7:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } }, "value": null, "visibility": "internal" } ], "name": "Deposit", "nodeType": "StructDefinition", "scope": 5103, "src": "1103:2388:7", "visibility": "public" }, { "body": { "id": 3910, "nodeType": "Block", "src": "3722:101:7", "statements": [ { "assignments": [ 3899 ], "declarations": [ { "constant": false, "id": 3899, "name": "_keep", "nodeType": "VariableDeclaration", "scope": 3910, "src": "3732:22:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_contract$_IBondedECDSAKeep_$11428", "typeString": "contract IBondedECDSAKeep" }, "typeName": { "contractScope": null, "id": 3898, "name": "IBondedECDSAKeep", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 11428, "src": "3732:16:7", "typeDescriptions": { "typeIdentifier": "t_contract$_IBondedECDSAKeep_$11428", "typeString": "contract IBondedECDSAKeep" } }, "value": null, "visibility": "internal" } ], "id": 3904, "initialValue": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 3901, "name": "_d", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 3895, "src": "3774:2:7", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit storage pointer" } }, "id": 3902, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "keepAddress", "nodeType": "MemberAccess", "referencedDeclaration": 3858, "src": "3774:14:7", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 3900, "name": "IBondedECDSAKeep", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 11428, "src": "3757:16:7", "typeDescriptions": { "typeIdentifier": "t_type$_t_contract$_IBondedECDSAKeep_$11428_$", "typeString": "type(contract IBondedECDSAKeep)" } }, "id": 3903, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3757:32:7", "typeDescriptions": { "typeIdentifier": "t_contract$_IBondedECDSAKeep_$11428", "typeString": "contract IBondedECDSAKeep" } }, "nodeType": "VariableDeclarationStatement", "src": "3732:57:7" }, { "expression": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "expression": { "argumentTypes": null, "id": 3905, "name": "_keep", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 3899, "src": "3799:5:7", "typeDescriptions": { "typeIdentifier": "t_contract$_IBondedECDSAKeep_$11428", "typeString": "contract IBondedECDSAKeep" } }, "id": 3907, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "closeKeep", "nodeType": "MemberAccess", "referencedDeclaration": 11427, "src": "3799:15:7", "typeDescriptions": { "typeIdentifier": "t_function_external_nonpayable$__$returns$__$", "typeString": "function () external" } }, "id": 3908, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "3799:17:7", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 3909, "nodeType": "ExpressionStatement", "src": "3799:17:7" } ] }, "documentation": "@notice Closes keep associated with the deposit.\n @dev Should be called when the keep is no longer needed and the signing\n group can disband.", "id": 3911, "implemented": true, "kind": "function", "modifiers": [], "name": "closeKeep", "nodeType": "FunctionDefinition", "parameters": { "id": 3896, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 3895, "name": "_d", "nodeType": "VariableDeclaration", "scope": 3911, "src": "3680:31:7", "stateVariable": false, "storageLocation": "storage", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit" }, "typeName": { "contractScope": null, "id": 3894, "name": "DepositUtils.Deposit", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 3893, "src": "3680:20:7", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit" } }, "value": null, "visibility": "internal" } ], "src": "3679:33:7" }, "returnParameters": { "id": 3897, "nodeType": "ParameterList", "parameters": [], "src": "3722:0:7" }, "scope": 5103, "src": "3661:162:7", "stateMutability": "nonpayable", "superFunction": null, "visibility": "internal" }, { "body": { "id": 3923, "nodeType": "Block", "src": "4123:67:7", "statements": [ { "expression": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "expression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 3918, "name": "_d", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 3913, "src": "4140:2:7", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit storage pointer" } }, "id": 3919, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "tbtcSystem", "nodeType": "MemberAccess", "referencedDeclaration": 3828, "src": "4140:13:7", "typeDescriptions": { "typeIdentifier": "t_contract$_ITBTCSystem_$5511", "typeString": "contract ITBTCSystem" } }, "id": 3920, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "fetchRelayCurrentDifficulty", "nodeType": "MemberAccess", "referencedDeclaration": 5459, "src": "4140:41:7", "typeDescriptions": { "typeIdentifier": "t_function_external_view$__$returns$_t_uint256_$", "typeString": "function () view external returns (uint256)" } }, "id": 3921, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4140:43:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "functionReturnParameters": 3917, "id": 3922, "nodeType": "Return", "src": "4133:50:7" } ] }, "documentation": "@notice Gets the current block difficulty.\n @dev Calls the light relay and gets the current block difficulty.\n @return The difficulty.", "id": 3924, "implemented": true, "kind": "function", "modifiers": [], "name": "currentBlockDifficulty", "nodeType": "FunctionDefinition", "parameters": { "id": 3914, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 3913, "name": "_d", "nodeType": "VariableDeclaration", "scope": 3924, "src": "4045:18:7", "stateVariable": false, "storageLocation": "storage", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit" }, "typeName": { "contractScope": null, "id": 3912, "name": "Deposit", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 3893, "src": "4045:7:7", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit" } }, "value": null, "visibility": "internal" } ], "src": "4044:20:7" }, "returnParameters": { "id": 3917, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 3916, "name": "", "nodeType": "VariableDeclaration", "scope": 3924, "src": "4110:7:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 3915, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "4110:7:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "4109:9:7" }, "scope": 5103, "src": "4013:177:7", "stateMutability": "view", "superFunction": null, "visibility": "public" }, { "body": { "id": 3936, "nodeType": "Block", "src": "4493:68:7", "statements": [ { "expression": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "expression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 3931, "name": "_d", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 3926, "src": "4510:2:7", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit storage pointer" } }, "id": 3932, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "tbtcSystem", "nodeType": "MemberAccess", "referencedDeclaration": 3828, "src": "4510:13:7", "typeDescriptions": { "typeIdentifier": "t_contract$_ITBTCSystem_$5511", "typeString": "contract ITBTCSystem" } }, "id": 3933, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "fetchRelayPreviousDifficulty", "nodeType": "MemberAccess", "referencedDeclaration": 5464, "src": "4510:42:7", "typeDescriptions": { "typeIdentifier": "t_function_external_view$__$returns$_t_uint256_$", "typeString": "function () view external returns (uint256)" } }, "id": 3934, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "4510:44:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "functionReturnParameters": 3930, "id": 3935, "nodeType": "Return", "src": "4503:51:7" } ] }, "documentation": "@notice Gets the previous block difficulty.\n @dev Calls the light relay and gets the previous block difficulty.\n @return The difficulty.", "id": 3937, "implemented": true, "kind": "function", "modifiers": [], "name": "previousBlockDifficulty", "nodeType": "FunctionDefinition", "parameters": { "id": 3927, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 3926, "name": "_d", "nodeType": "VariableDeclaration", "scope": 3937, "src": "4415:18:7", "stateVariable": false, "storageLocation": "storage", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit" }, "typeName": { "contractScope": null, "id": 3925, "name": "Deposit", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 3893, "src": "4415:7:7", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit" } }, "value": null, "visibility": "internal" } ], "src": "4414:20:7" }, "returnParameters": { "id": 3930, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 3929, "name": "", "nodeType": "VariableDeclaration", "scope": 3937, "src": "4480:7:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 3928, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "4480:7:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "4479:9:7" }, "scope": 5103, "src": "4382:179:7", "stateMutability": "view", "superFunction": null, "visibility": "public" }, { "body": { "id": 4035, "nodeType": "Block", "src": "4993:1165:7", "statements": [ { "assignments": [ 3945 ], "declarations": [ { "constant": false, "id": 3945, "name": "_reqDiff", "nodeType": "VariableDeclaration", "scope": 4035, "src": "5003:16:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 3944, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "5003:7:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "id": 3946, "initialValue": null, "nodeType": "VariableDeclarationStatement", "src": "5003:16:7" }, { "assignments": [ 3948 ], "declarations": [ { "constant": false, "id": 3948, "name": "_current", "nodeType": "VariableDeclaration", "scope": 4035, "src": "5029:16:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 3947, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "5029:7:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "id": 3952, "initialValue": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 3950, "name": "_d", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 3939, "src": "5071:2:7", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit storage pointer" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit storage pointer" } ], "id": 3949, "name": "currentBlockDifficulty", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 3924, "src": "5048:22:7", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$_t_struct$_Deposit_$3893_storage_ptr_$returns$_t_uint256_$", "typeString": "function (struct DepositUtils.Deposit storage pointer) view returns (uint256)" } }, "id": 3951, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5048:26:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "VariableDeclarationStatement", "src": "5029:45:7" }, { "assignments": [ 3954 ], "declarations": [ { "constant": false, "id": 3954, "name": "_previous", "nodeType": "VariableDeclaration", "scope": 4035, "src": "5084:17:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 3953, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "5084:7:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "id": 3958, "initialValue": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 3956, "name": "_d", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 3939, "src": "5128:2:7", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit storage pointer" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit storage pointer" } ], "id": 3955, "name": "previousBlockDifficulty", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 3937, "src": "5104:23:7", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$_t_struct$_Deposit_$3893_storage_ptr_$returns$_t_uint256_$", "typeString": "function (struct DepositUtils.Deposit storage pointer) view returns (uint256)" } }, "id": 3957, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5104:27:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "VariableDeclarationStatement", "src": "5084:47:7" }, { "assignments": [ 3960 ], "declarations": [ { "constant": false, "id": 3960, "name": "_firstHeaderDiff", "nodeType": "VariableDeclaration", "scope": 4035, "src": "5141:24:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 3959, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "5141:7:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "id": 3966, "initialValue": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "expression": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "expression": { "argumentTypes": null, "id": 3961, "name": "_bitcoinHeaders", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 3941, "src": "5180:15:7", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "id": 3962, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "extractTarget", "nodeType": "MemberAccess", "referencedDeclaration": 12925, "src": "5180:29:7", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_bytes_memory_ptr_$returns$_t_uint256_$bound_to$_t_bytes_memory_ptr_$", "typeString": "function (bytes memory) pure returns (uint256)" } }, "id": 3963, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5180:31:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 3964, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "calculateDifficulty", "nodeType": "MemberAccess", "referencedDeclaration": 12938, "src": "5180:51:7", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256) pure returns (uint256)" } }, "id": 3965, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5180:53:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "VariableDeclarationStatement", "src": "5141:92:7" }, { "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 3969, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 3967, "name": "_firstHeaderDiff", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 3960, "src": "5248:16:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "argumentTypes": null, "id": 3968, "name": "_current", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 3948, "src": "5268:8:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "5248:28:7", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseBody": { "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 3977, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 3975, "name": "_firstHeaderDiff", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 3960, "src": "5332:16:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "argumentTypes": null, "id": 3976, "name": "_previous", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 3954, "src": "5352:9:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "5332:29:7", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseBody": { "id": 3987, "nodeType": "Block", "src": "5414:72:7", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "6e6f742061742063757272656e74206f722070726576696f757320646966666963756c7479", "id": 3984, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "5435:39:7", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_7f8430f268054c270db183e54701a22d56a96d3e1e4978e46b2827d6335275a6", "typeString": "literal_string \"not at current or previous difficulty\"" }, "value": "not at current or previous difficulty" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_stringliteral_7f8430f268054c270db183e54701a22d56a96d3e1e4978e46b2827d6335275a6", "typeString": "literal_string \"not at current or previous difficulty\"" } ], "id": 3983, "name": "revert", "nodeType": "Identifier", "overloadedDeclarations": [ 18365, 18366 ], "referencedDeclaration": 18366, "src": "5428:6:7", "typeDescriptions": { "typeIdentifier": "t_function_revert_pure$_t_string_memory_ptr_$returns$__$", "typeString": "function (string memory) pure" } }, "id": 3985, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "5428:47:7", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 3986, "nodeType": "ExpressionStatement", "src": "5428:47:7" } ] }, "id": 3988, "nodeType": "IfStatement", "src": "5328:158:7", "trueBody": { "id": 3982, "nodeType": "Block", "src": "5363:45:7", "statements": [ { "expression": { "argumentTypes": null, "id": 3980, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 3978, "name": "_reqDiff", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 3945, "src": "5377:8:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 3979, "name": "_previous", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 3954, "src": "5388:9:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "5377:20:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 3981, "nodeType": "ExpressionStatement", "src": "5377:20:7" } ] } }, "id": 3989, "nodeType": "IfStatement", "src": "5244:242:7", "trueBody": { "id": 3974, "nodeType": "Block", "src": "5278:44:7", "statements": [ { "expression": { "argumentTypes": null, "id": 3972, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 3970, "name": "_reqDiff", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 3945, "src": "5292:8:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "id": 3971, "name": "_current", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 3948, "src": "5303:8:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "5292:19:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 3973, "nodeType": "ExpressionStatement", "src": "5292:19:7" } ] } }, { "assignments": [ 3991 ], "declarations": [ { "constant": false, "id": 3991, "name": "_observedDiff", "nodeType": "VariableDeclaration", "scope": 4035, "src": "5496:21:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 3990, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "5496:7:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "id": 3995, "initialValue": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "expression": { "argumentTypes": null, "id": 3992, "name": "_bitcoinHeaders", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 3941, "src": "5520:15:7", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "id": 3993, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "validateHeaderChain", "nodeType": "MemberAccess", "referencedDeclaration": 14148, "src": "5520:35:7", "typeDescriptions": { "typeIdentifier": 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_txVersion Transaction version number (4-byte LE).\n @param _txInputVector All transaction inputs prepended by the number of inputs encoded as a VarInt, max 0xFC(252) inputs.\n @param _txOutputVector All transaction outputs prepended by the number of outputs encoded as a VarInt, max 0xFC(252) outputs.\n @param _txLocktime Final 4 bytes of the transaction.\n @param _fundingOutputIndex Index of funding output in _txOutputVector (0-indexed).\n @param _merkleProof The merkle proof of transaction inclusion in a block.\n @param _txIndexInBlock Transaction index in the block (0-indexed).\n @param _bitcoinHeaders Single bytestring of 80-byte bitcoin headers, lowest height first.\n @return The 8-byte LE UTXO size in satoshi, the 36byte outpoint.", "id": 4237, "implemented": true, "kind": "function", "modifiers": [], "name": "validateAndParseFundingSPVProof", "nodeType": "FunctionDefinition", "parameters": { "id": 4169, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 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"FunctionCall", "src": "16030:17:7", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "nodeType": "VariableDeclarationStatement", "src": "16007:40:7" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 4453, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "16090:1:7", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "expression": { "argumentTypes": null, "id": 4451, "name": "_digest", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4445, "src": "16072:7:7", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "id": 4452, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "toAddress", "nodeType": "MemberAccess", "referencedDeclaration": 13315, "src": "16072:17:7", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_bytes_memory_ptr_$_t_uint256_$returns$_t_address_$bound_to$_t_bytes_memory_ptr_$", "typeString": "function (bytes memory,uint256) pure returns (address)" } }, "id": 4454, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "16072:20:7", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 4450, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "16064:7:7", "typeDescriptions": { "typeIdentifier": "t_type$_t_bytes20_$", "typeString": "type(bytes20)" }, "typeName": "bytes20" }, "id": 4455, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "16064:29:7", "typeDescriptions": { "typeIdentifier": "t_bytes20", "typeString": "bytes20" } }, "functionReturnParameters": 4434, "id": 4456, "nodeType": "Return", "src": "16057:36:7" } ] }, "documentation": "@notice Returns the Bitcoin pubkeyhash (hash160) for the signing group.\n @dev This is used in bitcoin output scripts for the signers.\n @return 20-bytes public key hash.", "id": 4458, "implemented": true, "kind": "function", "modifiers": [], "name": "signerPKH", "nodeType": "FunctionDefinition", "parameters": { "id": 4431, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 4430, "name": "_d", "nodeType": "VariableDeclaration", "scope": 4458, "src": "15840:18:7", "stateVariable": false, "storageLocation": "storage", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit" }, "typeName": { "contractScope": null, "id": 4429, "name": "Deposit", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 3893, "src": "15840:7:7", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit" } }, "value": null, "visibility": "internal" } ], "src": "15839:20:7" }, "returnParameters": { "id": 4434, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 4433, "name": "", "nodeType": "VariableDeclaration", "scope": 4458, "src": "15881:7:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes20", "typeString": "bytes20" }, "typeName": { "id": 4432, "name": "bytes20", "nodeType": "ElementaryTypeName", "src": "15881:7:7", "typeDescriptions": { "typeIdentifier": "t_bytes20", "typeString": "bytes20" } }, "value": null, "visibility": "internal" } ], "src": "15880:9:7" }, "scope": 5103, "src": "15821:302:7", "stateMutability": "view", "superFunction": null, "visibility": "public" }, { "body": { "id": 4470, "nodeType": "Block", "src": "16395:57:7", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 4466, "name": "_d", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4460, "src": "16427:2:7", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit storage pointer" } }, "id": 4467, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "utxoValueBytes", "nodeType": "MemberAccess", "referencedDeclaration": 3880, "src": "16427:17:7", "typeDescriptions": { "typeIdentifier": "t_bytes8", "typeString": "bytes8" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes8", "typeString": "bytes8" } ], "id": 4465, "name": "bytes8LEToUint", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4520, "src": "16412:14:7", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_bytes8_$returns$_t_uint256_$", "typeString": "function (bytes8) pure returns (uint256)" } }, "id": 4468, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "16412:33:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "functionReturnParameters": 4464, "id": 4469, "nodeType": "Return", "src": "16405:40:7" } ] }, "documentation": "@notice Returns the size of the deposit UTXO in satoshi.\n @dev We store the deposit as bytes8 to make signature checking easier.\n @return UTXO value in satoshi.", "id": 4471, "implemented": true, "kind": "function", "modifiers": [], "name": "utxoValue", "nodeType": "FunctionDefinition", "parameters": { "id": 4461, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 4460, "name": "_d", "nodeType": "VariableDeclaration", "scope": 4471, "src": "16343:18:7", "stateVariable": false, "storageLocation": "storage", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit" }, "typeName": { "contractScope": null, "id": 4459, "name": "Deposit", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 3893, "src": "16343:7:7", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit" } }, "value": null, "visibility": "internal" } ], "src": "16342:20:7" }, "returnParameters": { "id": 4464, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 4463, "name": "", "nodeType": "VariableDeclaration", "scope": 4471, "src": "16386:7:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 4462, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "16386:7:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "16385:9:7" }, "scope": 5103, "src": "16324:128:7", "stateMutability": "view", "superFunction": null, "visibility": "external" }, { "body": { "id": 4483, "nodeType": "Block", "src": "16750:57:7", "statements": [ { "expression": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "expression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 4478, "name": "_d", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4473, "src": "16767:2:7", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit storage pointer" } }, "id": 4479, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "tbtcSystem", "nodeType": "MemberAccess", "referencedDeclaration": 3828, "src": "16767:13:7", "typeDescriptions": { "typeIdentifier": "t_contract$_ITBTCSystem_$5511", "typeString": "contract ITBTCSystem" } }, "id": 4480, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "fetchBitcoinPrice", "nodeType": "MemberAccess", "referencedDeclaration": 5454, "src": "16767:31:7", "typeDescriptions": { "typeIdentifier": "t_function_external_view$__$returns$_t_uint256_$", "typeString": "function () view external returns (uint256)" } }, "id": 4481, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "16767:33:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "functionReturnParameters": 4477, "id": 4482, "nodeType": "Return", "src": "16760:40:7" } ] }, "documentation": "@notice Gets the current price of Bitcoin in Ether.\n @dev Polls the price feed via the system contract.\n @return The current price of 1 sat in wei.", "id": 4484, "implemented": true, "kind": "function", "modifiers": [], "name": "fetchBitcoinPrice", "nodeType": "FunctionDefinition", "parameters": { "id": 4474, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 4473, "name": "_d", "nodeType": "VariableDeclaration", "scope": 4484, "src": "16670:18:7", "stateVariable": false, "storageLocation": "storage", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit" }, "typeName": { "contractScope": null, "id": 4472, "name": "Deposit", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 3893, "src": "16670:7:7", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit" } }, "value": null, "visibility": "internal" } ], "src": "16669:20:7" }, "returnParameters": { "id": 4477, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 4476, "name": "", "nodeType": "VariableDeclaration", "scope": 4484, "src": "16737:7:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 4475, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "16737:7:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "16736:9:7" }, "scope": 5103, "src": "16643:164:7", "stateMutability": "view", "superFunction": null, "visibility": "external" }, { "body": { "id": 4502, "nodeType": "Block", "src": "17084:114:7", "statements": [ { "assignments": [ 4492 ], "declarations": [ { "constant": false, "id": 4492, "name": "_keep", "nodeType": "VariableDeclaration", "scope": 4502, "src": "17094:22:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_contract$_IBondedECDSAKeep_$11428", "typeString": "contract IBondedECDSAKeep" }, "typeName": { "contractScope": null, "id": 4491, "name": "IBondedECDSAKeep", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 11428, "src": "17094:16:7", "typeDescriptions": { "typeIdentifier": "t_contract$_IBondedECDSAKeep_$11428", "typeString": "contract IBondedECDSAKeep" } }, "value": null, "visibility": "internal" } ], "id": 4497, "initialValue": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 4494, "name": "_d", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4486, "src": "17136:2:7", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit storage pointer" } }, "id": 4495, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "keepAddress", "nodeType": "MemberAccess", "referencedDeclaration": 3858, "src": "17136:14:7", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 4493, "name": "IBondedECDSAKeep", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 11428, "src": "17119:16:7", "typeDescriptions": { "typeIdentifier": "t_type$_t_contract$_IBondedECDSAKeep_$11428_$", "typeString": "type(contract IBondedECDSAKeep)" } }, "id": 4496, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "17119:32:7", "typeDescriptions": { "typeIdentifier": "t_contract$_IBondedECDSAKeep_$11428", "typeString": "contract IBondedECDSAKeep" } }, "nodeType": "VariableDeclarationStatement", "src": "17094:57:7" }, { "expression": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "expression": { "argumentTypes": null, "id": 4498, "name": "_keep", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4492, "src": "17168:5:7", "typeDescriptions": { "typeIdentifier": "t_contract$_IBondedECDSAKeep_$11428", "typeString": "contract IBondedECDSAKeep" } }, "id": 4499, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "checkBondAmount", "nodeType": "MemberAccess", "referencedDeclaration": 11388, "src": "17168:21:7", "typeDescriptions": { "typeIdentifier": "t_function_external_view$__$returns$_t_uint256_$", "typeString": "function () view external returns (uint256)" } }, "id": 4500, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "17168:23:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "functionReturnParameters": 4490, "id": 4501, "nodeType": "Return", "src": "17161:30:7" } ] }, "documentation": "@notice Fetches the Keep's bond amount in wei.\n @dev Calls the keep contract to do so.\n @return The amount of bonded ETH in wei.", "id": 4503, "implemented": true, "kind": "function", "modifiers": [], "name": "fetchBondAmount", "nodeType": "FunctionDefinition", "parameters": { "id": 4487, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 4486, "name": "_d", "nodeType": "VariableDeclaration", "scope": 4503, "src": "17004:18:7", "stateVariable": false, "storageLocation": "storage", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit" }, "typeName": { "contractScope": null, "id": 4485, "name": "Deposit", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 3893, "src": "17004:7:7", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit" } }, "value": null, "visibility": "internal" } ], "src": "17003:20:7" }, "returnParameters": { "id": 4490, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 4489, "name": "", "nodeType": "VariableDeclaration", "scope": 4503, "src": "17071:7:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 4488, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "17071:7:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "17070:9:7" }, "scope": 5103, "src": "16979:219:7", "stateMutability": "view", "superFunction": null, "visibility": "external" }, { "body": { "id": 4519, "nodeType": "Block", "src": "17503:78:7", "statements": [ { "expression": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "expression": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 4512, "name": "_b", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4505, "src": "17537:2:7", "typeDescriptions": { "typeIdentifier": "t_bytes8", "typeString": "bytes8" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bytes8", "typeString": "bytes8" } ], "expression": { "argumentTypes": null, "id": 4510, "name": "abi", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 18347, "src": "17520:3:7", "typeDescriptions": { "typeIdentifier": "t_magic_abi", "typeString": "abi" } }, "id": 4511, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "memberName": "encodePacked", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "17520:16:7", "typeDescriptions": { "typeIdentifier": "t_function_abiencodepacked_pure$__$returns$_t_bytes_memory_ptr_$", "typeString": "function () pure returns (bytes memory)" } }, "id": 4513, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "17520:20:7", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "id": 4514, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "reverseEndianness", "nodeType": "MemberAccess", "referencedDeclaration": 11643, "src": "17520:38:7", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_bytes_memory_ptr_$returns$_t_bytes_memory_ptr_$bound_to$_t_bytes_memory_ptr_$", "typeString": "function (bytes memory) pure returns (bytes memory)" } }, "id": 4515, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "17520:40:7", "typeDescriptions": { "typeIdentifier": "t_bytes_memory_ptr", "typeString": "bytes memory" } }, "id": 4516, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "bytesToUint", "nodeType": "MemberAccess", "referencedDeclaration": 11790, "src": "17520:52:7", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_bytes_memory_ptr_$returns$_t_uint256_$bound_to$_t_bytes_memory_ptr_$", "typeString": "function (bytes memory) pure returns (uint256)" } }, "id": 4517, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "17520:54:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "functionReturnParameters": 4509, "id": 4518, "nodeType": "Return", "src": "17513:61:7" } ] }, "documentation": "@notice Convert a LE bytes8 to a uint256.\n @dev Do this by converting to bytes, then reversing endianness, then converting to int.\n @return The uint256 represented in LE by the bytes8.", "id": 4520, "implemented": true, "kind": "function", "modifiers": [], "name": "bytes8LEToUint", "nodeType": "FunctionDefinition", "parameters": { "id": 4506, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 4505, "name": "_b", "nodeType": "VariableDeclaration", "scope": 4520, "src": "17462:9:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes8", "typeString": "bytes8" }, "typeName": { "id": 4504, "name": "bytes8", "nodeType": "ElementaryTypeName", "src": "17462:6:7", "typeDescriptions": { "typeIdentifier": "t_bytes8", "typeString": "bytes8" } }, "value": null, "visibility": "internal" } ], "src": "17461:11:7" }, "returnParameters": { "id": 4509, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 4508, "name": "", "nodeType": "VariableDeclaration", "scope": 4520, "src": "17494:7:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 4507, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "17494:7:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "17493:9:7" }, "scope": 5103, "src": "17438:143:7", "stateMutability": "pure", "superFunction": null, "visibility": "public" }, { "body": { "id": 4534, "nodeType": "Block", "src": "18106:51:7", "statements": [ { "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 4529, "name": "_d", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4522, "src": "18123:2:7", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit storage pointer" } }, "id": 4530, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "approvedDigests", "nodeType": "MemberAccess", "referencedDeclaration": 3892, "src": "18123:18:7", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_bytes32_$_t_uint256_$", "typeString": "mapping(bytes32 => uint256)" } }, "id": 4532, "indexExpression": { "argumentTypes": null, "id": 4531, "name": "_digest", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4524, "src": "18142:7:7", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "18123:27:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "functionReturnParameters": 4528, "id": 4533, "nodeType": "Return", "src": "18116:34:7" } ] }, "documentation": "@notice Gets timestamp of digest approval for signing.\n @dev Identifies entry in the recorded approvals by keep ID and digest pair.\n @param _digest Digest to check approval for.\n @return Timestamp from the moment of recording the digest for signing.\n Returns 0 if the digest was not approved for signing.", "id": 4535, "implemented": true, "kind": "function", "modifiers": [], "name": "wasDigestApprovedForSigning", "nodeType": "FunctionDefinition", "parameters": { "id": 4525, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 4522, "name": "_d", "nodeType": "VariableDeclaration", "scope": 4535, "src": "18009:18:7", "stateVariable": false, "storageLocation": "storage", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit" }, "typeName": { "contractScope": null, "id": 4521, "name": "Deposit", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 3893, "src": "18009:7:7", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 4524, "name": "_digest", "nodeType": "VariableDeclaration", "scope": 4535, "src": "18029:15:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" }, "typeName": { "id": 4523, "name": "bytes32", "nodeType": "ElementaryTypeName", "src": "18029:7:7", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "value": null, "visibility": "internal" } ], "src": "18008:37:7" }, "returnParameters": { "id": 4528, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 4527, "name": "", "nodeType": "VariableDeclaration", "scope": 4535, "src": "18093:7:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 4526, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "18093:7:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "18092:9:7" }, "scope": 5103, "src": "17972:185:7", "stateMutability": "view", "superFunction": null, "visibility": "external" }, { "body": { "id": 4581, "nodeType": "Block", "src": "18475:294:7", "statements": [ { "assignments": [ 4543 ], "declarations": [ { "constant": false, "id": 4543, "name": "tokenHolder", "nodeType": "VariableDeclaration", "scope": 4581, "src": "18485:19:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 4542, "name": "address", "nodeType": "ElementaryTypeName", "src": "18485:7:7", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "id": 4547, "initialValue": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 4545, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "18515:1:7", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 4544, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "18507:7:7", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 4546, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "18507:10:7", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "nodeType": "VariableDeclarationStatement", "src": "18485:32:7" }, { "condition": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 4553, "name": "this", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 18430, "src": "18572:4:7", "typeDescriptions": { "typeIdentifier": "t_contract$_DepositUtils_$5103", "typeString": "library DepositUtils" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_contract$_DepositUtils_$5103", "typeString": "library DepositUtils" } ], "id": 4552, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "18564:7:7", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 4554, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "18564:13:7", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 4551, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "18556:7:7", "typeDescriptions": { "typeIdentifier": "t_type$_t_uint256_$", "typeString": "type(uint256)" }, "typeName": "uint256" }, "id": 4555, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "18556:22:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 4548, "name": "_d", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4537, "src": "18531:2:7", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit storage pointer" } }, "id": 4549, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "feeRebateToken", "nodeType": "MemberAccess", "referencedDeclaration": 3834, "src": "18531:17:7", "typeDescriptions": { "typeIdentifier": "t_contract$_FeeRebateToken_$6300", "typeString": "contract FeeRebateToken" } }, "id": 4550, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "exists", "nodeType": "MemberAccess", "referencedDeclaration": 6299, "src": "18531:24:7", "typeDescriptions": { "typeIdentifier": "t_function_external_view$_t_uint256_$returns$_t_bool_$", "typeString": "function (uint256) view external returns (bool)" } }, "id": 4556, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "18531:48:7", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseBody": null, "id": 4574, "nodeType": "IfStatement", "src": "18527:190:7", "trueBody": { "id": 4573, "nodeType": "Block", "src": "18581:136:7", "statements": [ { "expression": { "argumentTypes": null, "id": 4571, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "id": 4557, "name": "tokenHolder", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4543, "src": "18595:11:7", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 4565, "name": "this", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 18430, "src": "18684:4:7", "typeDescriptions": { "typeIdentifier": "t_contract$_DepositUtils_$5103", "typeString": "library DepositUtils" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_contract$_DepositUtils_$5103", "typeString": "library DepositUtils" } ], "id": 4564, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "18676:7:7", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 4566, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "18676:13:7", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 4563, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "18668:7:7", "typeDescriptions": { "typeIdentifier": "t_type$_t_uint256_$", "typeString": "type(uint256)" }, "typeName": "uint256" }, "id": 4567, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "18668:22:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 4560, "name": "_d", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4537, "src": "18642:2:7", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit storage pointer" } }, "id": 4561, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "feeRebateToken", "nodeType": "MemberAccess", "referencedDeclaration": 3834, "src": "18642:17:7", "typeDescriptions": { "typeIdentifier": "t_contract$_FeeRebateToken_$6300", "typeString": "contract FeeRebateToken" } }, "id": 4562, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "ownerOf", "nodeType": "MemberAccess", "referencedDeclaration": 17591, "src": "18642:25:7", "typeDescriptions": { "typeIdentifier": "t_function_external_view$_t_uint256_$returns$_t_address_$", "typeString": "function (uint256) view external returns (address)" } }, "id": 4568, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "18642:49:7", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 4559, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "18634:7:7", "typeDescriptions": { "typeIdentifier": "t_type$_t_uint160_$", "typeString": "type(uint160)" }, "typeName": "uint160" }, "id": 4569, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "18634:58:7", "typeDescriptions": { "typeIdentifier": "t_uint160", "typeString": "uint160" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint160", "typeString": "uint160" } ], "id": 4558, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "18609:7:7", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 4570, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "18609:97:7", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "src": "18595:111:7", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 4572, "nodeType": "ExpressionStatement", "src": "18595:111:7" } ] } }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 4577, "name": "tokenHolder", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4543, "src": "18749:11:7", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 4576, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "18741:7:7", "typeDescriptions": { "typeIdentifier": "t_type$_t_uint160_$", "typeString": "type(uint160)" }, "typeName": "uint160" }, "id": 4578, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "18741:20:7", "typeDescriptions": { "typeIdentifier": "t_uint160", "typeString": "uint160" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint160", "typeString": "uint160" } ], "id": 4575, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "18733:7:7", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 4579, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "18733:29:7", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "functionReturnParameters": 4541, "id": 4580, "nodeType": "Return", "src": "18726:36:7" } ] }, "documentation": "@notice Looks up the Fee Rebate Token holder.\n @return The current token holder if the Token exists.\n address(0) if the token does not exist.", "id": 4582, "implemented": true, "kind": "function", "modifiers": [], "name": "feeRebateTokenHolder", "nodeType": "FunctionDefinition", "parameters": { "id": 4538, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 4537, "name": "_d", "nodeType": "VariableDeclaration", "scope": 4582, "src": "18389:18:7", "stateVariable": false, "storageLocation": "storage", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit" }, "typeName": { "contractScope": null, "id": 4536, "name": "Deposit", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 3893, "src": "18389:7:7", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit" } }, "value": null, "visibility": "internal" } ], "src": "18388:20:7" }, "returnParameters": { "id": 4541, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 4540, "name": "", "nodeType": "VariableDeclaration", "scope": 4582, "src": "18454:15:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" }, "typeName": { "id": 4539, "name": "address", "nodeType": "ElementaryTypeName", "src": "18454:15:7", "stateMutability": "payable", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "value": null, "visibility": "internal" } ], "src": "18453:17:7" }, "scope": 5103, "src": "18359:410:7", "stateMutability": "view", "superFunction": null, "visibility": "public" }, { "body": { "id": 4603, "nodeType": "Block", "src": "19109:135:7", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 4596, "name": "this", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 18430, "src": "19215:4:7", "typeDescriptions": { "typeIdentifier": "t_contract$_DepositUtils_$5103", "typeString": "library DepositUtils" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_contract$_DepositUtils_$5103", "typeString": "library DepositUtils" } ], "id": 4595, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "19207:7:7", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 4597, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "19207:13:7", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 4594, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "19199:7:7", "typeDescriptions": { "typeIdentifier": "t_type$_t_uint256_$", "typeString": "type(uint256)" }, "typeName": "uint256" }, "id": 4598, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "19199:22:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 4591, "name": "_d", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4584, "src": "19171:2:7", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit storage pointer" } }, "id": 4592, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "tbtcDepositToken", "nodeType": "MemberAccess", "referencedDeclaration": 3832, "src": "19171:19:7", "typeDescriptions": { "typeIdentifier": "t_contract$_IERC721_$18287", "typeString": "contract IERC721" } }, "id": 4593, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "ownerOf", "nodeType": "MemberAccess", "referencedDeclaration": 18227, "src": "19171:27:7", "typeDescriptions": { "typeIdentifier": "t_function_external_view$_t_uint256_$returns$_t_address_$", "typeString": "function (uint256) view external returns (address)" } }, "id": 4599, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "19171:51:7", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 4590, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "19163:7:7", "typeDescriptions": { "typeIdentifier": "t_type$_t_uint160_$", "typeString": "type(uint160)" }, "typeName": "uint160" }, "id": 4600, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "19163:60:7", "typeDescriptions": { "typeIdentifier": "t_uint160", "typeString": "uint160" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint160", "typeString": "uint160" } ], "id": 4589, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "19138:7:7", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 4601, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "19138:99:7", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "functionReturnParameters": 4588, "id": 4602, "nodeType": "Return", "src": "19119:118:7" } ] }, "documentation": "@notice Looks up the deposit beneficiary by calling the tBTC system.\n @dev We cast the address to a uint256 to match the 721 standard.\n @return The current deposit beneficiary.", "id": 4604, "implemented": true, "kind": "function", "modifiers": [], "name": "depositOwner", "nodeType": "FunctionDefinition", "parameters": { "id": 4585, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 4584, "name": "_d", "nodeType": "VariableDeclaration", "scope": 4604, "src": "19023:18:7", "stateVariable": false, "storageLocation": "storage", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit" }, "typeName": { "contractScope": null, "id": 4583, "name": "Deposit", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 3893, "src": "19023:7:7", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit" } }, "value": null, "visibility": "internal" } ], "src": "19022:20:7" }, "returnParameters": { "id": 4588, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 4587, "name": "", "nodeType": "VariableDeclaration", "scope": 4604, "src": "19088:15:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" }, "typeName": { "id": 4586, "name": "address", "nodeType": "ElementaryTypeName", "src": "19088:15:7", "stateMutability": "payable", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "value": null, "visibility": "internal" } ], "src": "19087:17:7" }, "scope": 5103, "src": "19001:243:7", "stateMutability": "view", "superFunction": null, "visibility": "public" }, { "body": { "id": 4635, "nodeType": "Block", "src": "19460:165:7", "statements": [ { "expression": { "argumentTypes": null, "id": 4613, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 4609, "name": "_d", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4606, "src": "19470:2:7", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit storage pointer" } }, "id": 4611, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "memberName": "redeemerOutputScript", "nodeType": "MemberAccess", "referencedDeclaration": 3870, "src": "19470:23:7", "typeDescriptions": { "typeIdentifier": "t_bytes_storage", "typeString": "bytes storage ref" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "hexValue": "", "id": 4612, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "19496:2:7", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470", "typeString": "literal_string \"\"" }, "value": "" }, "src": "19470:28:7", "typeDescriptions": { "typeIdentifier": "t_bytes_storage", "typeString": "bytes storage ref" } }, "id": 4614, "nodeType": "ExpressionStatement", "src": "19470:28:7" }, { "expression": { "argumentTypes": null, "id": 4619, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 4615, "name": "_d", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4606, "src": "19508:2:7", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit storage pointer" } }, "id": 4617, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "memberName": "initialRedemptionFee", "nodeType": "MemberAccess", "referencedDeclaration": 3872, "src": "19508:23:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "hexValue": "30", "id": 4618, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "19534:1:7", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "19508:27:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 4620, "nodeType": "ExpressionStatement", "src": "19508:27:7" }, { "expression": { "argumentTypes": null, "id": 4625, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 4621, "name": "_d", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4606, "src": "19545:2:7", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit storage pointer" } }, "id": 4623, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "memberName": "withdrawalRequestTime", "nodeType": "MemberAccess", "referencedDeclaration": 3876, "src": "19545:24:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "hexValue": "30", "id": 4624, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "19572:1:7", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "19545:28:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 4626, "nodeType": "ExpressionStatement", "src": "19545:28:7" }, { "expression": { "argumentTypes": null, "id": 4633, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 4627, "name": "_d", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4606, "src": "19583:2:7", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit storage pointer" } }, "id": 4629, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "memberName": "lastRequestedDigest", "nodeType": "MemberAccess", "referencedDeclaration": 3878, "src": "19583:22:7", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 4631, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "19616:1:7", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 4630, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "19608:7:7", "typeDescriptions": { "typeIdentifier": "t_type$_t_bytes32_$", "typeString": "type(bytes32)" }, "typeName": "bytes32" }, "id": 4632, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "19608:10:7", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "src": "19583:35:7", "typeDescriptions": { "typeIdentifier": "t_bytes32", "typeString": "bytes32" } }, "id": 4634, "nodeType": "ExpressionStatement", "src": "19583:35:7" } ] }, "documentation": "@notice Deletes state after termination of redemption process.\n @dev We keep around the redeemer address so we can pay them out.", "id": 4636, "implemented": true, "kind": "function", "modifiers": [], "name": "redemptionTeardown", "nodeType": "FunctionDefinition", "parameters": { "id": 4607, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 4606, "name": "_d", "nodeType": "VariableDeclaration", "scope": 4636, "src": "19433:18:7", "stateVariable": false, "storageLocation": "storage", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit" }, "typeName": { "contractScope": null, "id": 4605, "name": "Deposit", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 3893, "src": "19433:7:7", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit" } }, "value": null, "visibility": "internal" } ], "src": "19432:20:7" }, "returnParameters": { "id": 4608, "nodeType": "ParameterList", "parameters": [], "src": "19460:0:7" }, "scope": 5103, "src": "19405:220:7", "stateMutability": "nonpayable", "superFunction": null, "visibility": "public" }, { "body": { "id": 4651, "nodeType": "Block", "src": "20079:75:7", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 4647, "name": "_d", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4638, "src": "20115:2:7", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit storage pointer" } }, "id": 4648, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "initialCollateralizedPercent", "nodeType": "MemberAccess", "referencedDeclaration": 3844, "src": "20115:31:7", "typeDescriptions": { "typeIdentifier": "t_uint16", "typeString": "uint16" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint16", "typeString": "uint16" } ], "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "3130303030", "id": 4644, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "20104:5:7", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_10000_by_1", "typeString": "int_const 10000" }, "value": "10000" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_10000_by_1", "typeString": "int_const 10000" } ], "id": 4643, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "20096:7:7", "typeDescriptions": { "typeIdentifier": "t_type$_t_uint256_$", "typeString": "type(uint256)" }, "typeName": "uint256" }, "id": 4645, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "20096:14:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 4646, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "div", "nodeType": "MemberAccess", "referencedDeclaration": 16833, "src": "20096:18:7", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 4649, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "20096:51:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "functionReturnParameters": 4642, "id": 4650, "nodeType": "Return", "src": "20089:58:7" } ] }, "documentation": "@notice Get the starting percentage of the bond at auction.\n @dev This will return the same value regardless of collateral price.\n @return The percentage of the InitialCollateralizationPercent that will result\n in a 100% bond value base auction given perfect collateralization.", "id": 4652, "implemented": true, "kind": "function", "modifiers": [], "name": "getAuctionBasePercentage", "nodeType": "FunctionDefinition", "parameters": { "id": 4639, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 4638, "name": "_d", "nodeType": "VariableDeclaration", "scope": 4652, "src": "19999:18:7", "stateVariable": false, "storageLocation": "storage", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit" }, "typeName": { "contractScope": null, "id": 4637, "name": "Deposit", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 3893, "src": "19999:7:7", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit" } }, "value": null, "visibility": "internal" } ], "src": "19998:20:7" }, "returnParameters": { "id": 4642, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 4641, "name": "", "nodeType": "VariableDeclaration", "scope": 4652, "src": "20066:7:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 4640, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "20066:7:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "20065:9:7" }, "scope": 5103, "src": "19965:189:7", "stateMutability": "view", "superFunction": null, "visibility": "internal" }, { "body": { "id": 4697, "nodeType": "Block", "src": "20404:399:7", "statements": [ { "assignments": [ 4660 ], "declarations": [ { "constant": false, "id": 4660, "name": "_preCallBalance", "nodeType": "VariableDeclaration", "scope": 4697, "src": "20414:23:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 4659, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "20414:7:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "id": 4665, "initialValue": { "argumentTypes": null, "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 4662, "name": "this", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 18430, "src": "20448:4:7", "typeDescriptions": { "typeIdentifier": "t_contract$_DepositUtils_$5103", "typeString": "library DepositUtils" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_contract$_DepositUtils_$5103", "typeString": "library DepositUtils" } ], "id": 4661, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "20440:7:7", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 4663, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "20440:13:7", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 4664, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "balance", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "20440:21:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "VariableDeclarationStatement", "src": "20414:47:7" }, { "assignments": [ 4667 ], "declarations": [ { "constant": false, "id": 4667, "name": "_keep", "nodeType": "VariableDeclaration", "scope": 4697, "src": "20472:22:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_contract$_IBondedECDSAKeep_$11428", "typeString": "contract IBondedECDSAKeep" }, "typeName": { "contractScope": null, "id": 4666, "name": "IBondedECDSAKeep", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 11428, "src": "20472:16:7", "typeDescriptions": { "typeIdentifier": "t_contract$_IBondedECDSAKeep_$11428", "typeString": "contract IBondedECDSAKeep" } }, "value": null, "visibility": "internal" } ], "id": 4672, "initialValue": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 4669, "name": "_d", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4654, "src": "20514:2:7", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit storage pointer" } }, "id": 4670, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "keepAddress", "nodeType": "MemberAccess", "referencedDeclaration": 3858, "src": "20514:14:7", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 4668, "name": "IBondedECDSAKeep", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 11428, "src": "20497:16:7", "typeDescriptions": { "typeIdentifier": "t_type$_t_contract$_IBondedECDSAKeep_$11428_$", "typeString": "type(contract IBondedECDSAKeep)" } }, "id": 4671, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "20497:32:7", "typeDescriptions": { "typeIdentifier": "t_contract$_IBondedECDSAKeep_$11428", "typeString": "contract IBondedECDSAKeep" } }, "nodeType": "VariableDeclarationStatement", "src": "20472:57:7" }, { "expression": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "expression": { "argumentTypes": null, "id": 4673, "name": "_keep", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4667, "src": "20539:5:7", "typeDescriptions": { "typeIdentifier": "t_contract$_IBondedECDSAKeep_$11428", "typeString": "contract IBondedECDSAKeep" } }, "id": 4675, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "seizeSignerBonds", "nodeType": "MemberAccess", "referencedDeclaration": 11406, "src": "20539:22:7", "typeDescriptions": { "typeIdentifier": "t_function_external_nonpayable$__$returns$__$", "typeString": "function () external" } }, "id": 4676, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "20539:24:7", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 4677, "nodeType": "ExpressionStatement", "src": "20539:24:7" }, { "assignments": [ 4679 ], "declarations": [ { "constant": false, "id": 4679, "name": "_postCallBalance", "nodeType": "VariableDeclaration", "scope": 4697, "src": "20574:24:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 4678, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "20574:7:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "id": 4684, "initialValue": { "argumentTypes": null, "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 4681, "name": "this", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 18430, "src": "20609:4:7", "typeDescriptions": { "typeIdentifier": "t_contract$_DepositUtils_$5103", "typeString": "library DepositUtils" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_contract$_DepositUtils_$5103", "typeString": "library DepositUtils" } ], "id": 4680, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "20601:7:7", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 4682, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "20601:13:7", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 4683, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "balance", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "20601:21:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "VariableDeclarationStatement", "src": "20574:48:7" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 4688, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 4686, "name": "_postCallBalance", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4679, "src": "20653:16:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": ">", "rightExpression": { "argumentTypes": null, "id": 4687, "name": "_preCallBalance", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4660, "src": "20672:15:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "20653:34:7", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "4e6f2066756e64732072656365697665642c20756e6578706563746564", "id": 4689, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "20701:31:7", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_081d9d88cd751124b06bf4b926a19d0dbebc6fe63a06d6b69caa0dfa83662184", "typeString": "literal_string \"No funds received, unexpected\"" }, "value": "No funds received, unexpected" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_081d9d88cd751124b06bf4b926a19d0dbebc6fe63a06d6b69caa0dfa83662184", "typeString": "literal_string \"No funds received, unexpected\"" } ], "id": 4685, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 18363, 18364 ], "referencedDeclaration": 18364, "src": "20632:7:7", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 4690, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "20632:110:7", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 4691, "nodeType": "ExpressionStatement", "src": "20632:110:7" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 4694, "name": "_preCallBalance", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4660, "src": "20780:15:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "id": 4692, "name": "_postCallBalance", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4679, "src": "20759:16:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 4693, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sub", "nodeType": "MemberAccess", "referencedDeclaration": 16774, "src": "20759:20:7", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 4695, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "20759:37:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "functionReturnParameters": 4658, "id": 4696, "nodeType": "Return", "src": "20752:44:7" } ] }, "documentation": "@notice Seize the signer bond from the keep contract.\n @dev we check our balance before and after.\n @return The amount seized in wei.", "id": 4698, "implemented": true, "kind": "function", "modifiers": [], "name": "seizeSignerBonds", "nodeType": "FunctionDefinition", "parameters": { "id": 4655, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 4654, "name": "_d", "nodeType": "VariableDeclaration", "scope": 4698, "src": "20357:18:7", "stateVariable": false, "storageLocation": "storage", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit" }, "typeName": { "contractScope": null, "id": 4653, "name": "Deposit", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 3893, "src": "20357:7:7", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit" } }, "value": null, "visibility": "internal" } ], "src": "20356:20:7" }, "returnParameters": { "id": 4658, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 4657, "name": "", "nodeType": "VariableDeclaration", "scope": 4698, "src": "20395:7:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 4656, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "20395:7:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "20394:9:7" }, "scope": 5103, "src": "20331:472:7", "stateMutability": "nonpayable", "superFunction": null, "visibility": "internal" }, { "body": { "id": 4721, "nodeType": "Block", "src": "21112:138:7", "statements": [ { "expression": { "argumentTypes": null, "id": 4719, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftHandSide": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 4707, "name": "_d", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4700, "src": "21122:2:7", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit storage pointer" } }, "id": 4710, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "withdrawableAmounts", "nodeType": "MemberAccess", "referencedDeclaration": 3888, "src": "21122:22:7", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 4711, "indexExpression": { "argumentTypes": null, "id": 4709, "name": "_withdrawer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4702, "src": "21145:11:7", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": true, "nodeType": "IndexAccess", "src": "21122:35:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "Assignment", "operator": "=", "rightHandSide": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 4717, "name": "_amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4704, "src": "21235:7:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 4712, "name": "_d", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4700, "src": "21160:2:7", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit storage pointer" } }, "id": 4713, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "withdrawableAmounts", "nodeType": "MemberAccess", "referencedDeclaration": 3888, "src": "21160:22:7", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 4715, "indexExpression": { "argumentTypes": null, "id": 4714, "name": "_withdrawer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4702, "src": "21196:11:7", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "21160:57:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 4716, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "add", "nodeType": "MemberAccess", "referencedDeclaration": 16749, "src": "21160:74:7", "typeDescriptions": { "typeIdentifier": "t_function_internal_pure$_t_uint256_$_t_uint256_$returns$_t_uint256_$bound_to$_t_uint256_$", "typeString": "function (uint256,uint256) pure returns (uint256)" } }, "id": 4718, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "21160:83:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "21122:121:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 4720, "nodeType": "ExpressionStatement", "src": "21122:121:7" } ] }, "documentation": "@notice Adds a given amount to the withdraw allowance for the address.\n @dev Withdrawals can only happen when a contract is in an end-state.", "id": 4722, "implemented": true, "kind": "function", "modifiers": [], "name": "enableWithdrawal", "nodeType": "FunctionDefinition", "parameters": { "id": 4705, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 4700, "name": "_d", "nodeType": "VariableDeclaration", "scope": 4722, "src": "21011:31:7", "stateVariable": false, "storageLocation": "storage", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit" }, "typeName": { "contractScope": null, "id": 4699, "name": "DepositUtils.Deposit", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 3893, "src": "21011:20:7", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 4702, "name": "_withdrawer", "nodeType": "VariableDeclaration", "scope": 4722, "src": "21052:19:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 4701, "name": "address", "nodeType": "ElementaryTypeName", "src": "21052:7:7", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 4704, "name": "_amount", "nodeType": "VariableDeclaration", "scope": 4722, "src": "21081:15:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 4703, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "21081:7:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "21001:101:7" }, "returnParameters": { "id": 4706, "nodeType": "ParameterList", "parameters": [], "src": "21112:0:7" }, "scope": 5103, "src": "20976:274:7", "stateMutability": "nonpayable", "superFunction": null, "visibility": "internal" }, { "body": { "id": 4784, "nodeType": "Block", "src": "21454:595:7", "statements": [ { "assignments": [ 4728 ], "declarations": [ { "constant": false, "id": 4728, "name": "available", "nodeType": "VariableDeclaration", "scope": 4784, "src": "21464:17:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 4727, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "21464:7:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "id": 4734, "initialValue": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 4729, "name": "_d", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4724, "src": "21484:2:7", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit storage pointer" } }, "id": 4730, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "withdrawableAmounts", "nodeType": "MemberAccess", "referencedDeclaration": 3888, "src": "21484:22:7", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 4733, "indexExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 4731, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 18360, "src": "21507:3:7", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 4732, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "21507:10:7", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "21484:34:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "VariableDeclarationStatement", "src": "21464:54:7" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "expression": { "argumentTypes": null, "id": 4736, "name": "_d", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4724, "src": "21537:2:7", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit storage pointer" } }, "id": 4737, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "inEndState", "nodeType": "MemberAccess", "referencedDeclaration": 3394, "src": "21537:13:7", "typeDescriptions": { "typeIdentifier": "t_function_delegatecall_view$_t_struct$_Deposit_$3893_storage_ptr_$returns$_t_bool_$bound_to$_t_struct$_Deposit_$3893_storage_ptr_$", "typeString": "function (struct DepositUtils.Deposit storage pointer) view returns (bool)" } }, "id": 4738, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "21537:15:7", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "436f6e7472616374206e6f7420796574207465726d696e61746564", "id": 4739, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "21554:29:7", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_b821579830bae56c125ec04c2e4e961229ba3c15d8bfea25f42d7d221a978e12", "typeString": "literal_string \"Contract not yet terminated\"" }, "value": "Contract not yet terminated" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_b821579830bae56c125ec04c2e4e961229ba3c15d8bfea25f42d7d221a978e12", "typeString": "literal_string \"Contract not yet terminated\"" } ], "id": 4735, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 18363, 18364 ], "referencedDeclaration": 18364, "src": "21529:7:7", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 4740, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "21529:55:7", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 4741, "nodeType": "ExpressionStatement", "src": "21529:55:7" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 4745, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 4743, "name": "available", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4728, "src": "21602:9:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": ">", "rightExpression": { "argumentTypes": null, "hexValue": "30", "id": 4744, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "21614:1:7", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "21602:13:7", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "4e6f7468696e6720746f207769746864726177", "id": 4746, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "21617:21:7", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_1b19ac089d87f4146c293e731799080c98f8ee751187f94356e96cb0c086a394", "typeString": "literal_string \"Nothing to withdraw\"" }, "value": "Nothing to withdraw" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_1b19ac089d87f4146c293e731799080c98f8ee751187f94356e96cb0c086a394", "typeString": "literal_string \"Nothing to withdraw\"" } ], "id": 4742, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 18363, 18364 ], "referencedDeclaration": 18364, "src": "21594:7:7", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 4747, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "21594:45:7", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 4748, "nodeType": "ExpressionStatement", "src": "21594:45:7" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 4755, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 4751, "name": "this", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 18430, "src": "21678:4:7", "typeDescriptions": { "typeIdentifier": "t_contract$_DepositUtils_$5103", "typeString": "library DepositUtils" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_contract$_DepositUtils_$5103", "typeString": "library DepositUtils" } ], "id": 4750, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "21670:7:7", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 4752, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "21670:13:7", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 4753, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "balance", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "21670:21:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": ">=", "rightExpression": { "argumentTypes": null, "id": 4754, "name": "available", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4728, "src": "21695:9:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "21670:34:7", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "496e73756666696369656e7420636f6e74726163742062616c616e6365", "id": 4756, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "21718:31:7", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_ec83fd00432662dbf5dd2aac1f81c346fbe87acecf7cd3f016ab25f549f71749", "typeString": "literal_string \"Insufficient contract balance\"" }, "value": "Insufficient contract balance" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_ec83fd00432662dbf5dd2aac1f81c346fbe87acecf7cd3f016ab25f549f71749", "typeString": "literal_string \"Insufficient contract 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"overloadedDeclarations": [], "referencedDeclaration": 4724, "src": "21812:2:7", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit storage pointer" } }, "id": 4763, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "withdrawableAmounts", "nodeType": "MemberAccess", "referencedDeclaration": 3888, "src": "21812:22:7", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 4764, "indexExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 4761, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 18360, "src": "21835:3:7", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 4762, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", 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"declarations": [ { "constant": false, "id": 4769, "name": "ok", "nodeType": "VariableDeclaration", "scope": 4784, "src": "21924:7:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 4768, "name": "bool", "nodeType": "ElementaryTypeName", "src": "21924:4:7", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "internal" }, null ], "id": 4778, "initialValue": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "", "id": 4776, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "21970:2:7", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470", "typeString": "literal_string \"\"" }, "value": "" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_stringliteral_c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470", "typeString": "literal_string \"\"" } ], "arguments": [ { "argumentTypes": null, "id": 4774, "name": "available", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4728, "src": "21959:9:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "expression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 4770, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 18360, "src": "21937:3:7", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 4771, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "21937:10:7", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "id": 4772, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "call", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "21937:15:7", "typeDescriptions": { "typeIdentifier": "t_function_barecall_payable$_t_bytes_memory_ptr_$returns$_t_bool_$_t_bytes_memory_ptr_$", "typeString": "function (bytes memory) payable returns (bool,bytes memory)" } }, "id": 4773, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "value", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "21937:21:7", "typeDescriptions": { "typeIdentifier": "t_function_setvalue_pure$_t_uint256_$returns$_t_function_barecall_payable$_t_bytes_memory_ptr_$returns$_t_bool_$_t_bytes_memory_ptr_$value_$", "typeString": "function (uint256) pure returns (function (bytes memory) payable returns (bool,bytes memory))" } }, "id": 4775, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "21937:32:7", "typeDescriptions": { "typeIdentifier": "t_function_barecall_payable$_t_bytes_memory_ptr_$returns$_t_bool_$_t_bytes_memory_ptr_$value", "typeString": "function (bytes memory) payable returns (bool,bytes memory)" } }, "id": 4777, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "21937:36:7", "typeDescriptions": { "typeIdentifier": "t_tuple$_t_bool_$_t_bytes_memory_ptr_$", "typeString": "tuple(bool,bytes memory)" } }, "nodeType": "VariableDeclarationStatement", "src": "21923:50:7" }, { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 4780, "name": "ok", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4769, "src": "21991:2:7", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "4661696c656420746f2073656e6420776974686472617761626c6520616d6f756e7420746f2073656e646572", "id": 4781, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "21995:46:7", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_2f5f005cb740539ee3516c799d64e633e99478206e886f7db1a394aade888067", "typeString": "literal_string \"Failed to send withdrawable amount to sender\"" }, "value": "Failed to send withdrawable amount to sender" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_2f5f005cb740539ee3516c799d64e633e99478206e886f7db1a394aade888067", "typeString": "literal_string \"Failed to send withdrawable amount to sender\"" } ], "id": 4779, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 18363, 18364 ], "referencedDeclaration": 18364, "src": "21983:7:7", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 4782, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "21983:59:7", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 4783, "nodeType": "ExpressionStatement", "src": "21983:59:7" } ] }, "documentation": "@notice Withdraw caller's allowance.\n @dev Withdrawals can only happen when a contract is in an end-state.", "id": 4785, "implemented": true, "kind": "function", "modifiers": [], "name": "withdrawFunds", "nodeType": "FunctionDefinition", "parameters": { "id": 4725, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 4724, "name": "_d", "nodeType": "VariableDeclaration", "scope": 4785, "src": "21412:31:7", "stateVariable": false, "storageLocation": "storage", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit" }, "typeName": { "contractScope": null, "id": 4723, "name": "DepositUtils.Deposit", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 3893, "src": "21412:20:7", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit" } }, "value": null, "visibility": "internal" } ], "src": "21411:33:7" }, "returnParameters": { "id": 4726, "nodeType": "ParameterList", "parameters": [], "src": "21454:0:7" }, "scope": 5103, "src": "21389:660:7", "stateMutability": "nonpayable", "superFunction": null, "visibility": "internal" }, { "body": { "id": 4798, "nodeType": "Block", "src": "22296:58:7", "statements": [ { "expression": { "argumentTypes": null, "baseExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 4792, "name": "_d", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4787, "src": "22313:2:7", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit storage pointer" } }, "id": 4793, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "withdrawableAmounts", "nodeType": "MemberAccess", "referencedDeclaration": 3888, "src": "22313:22:7", "typeDescriptions": { "typeIdentifier": "t_mapping$_t_address_$_t_uint256_$", "typeString": "mapping(address => uint256)" } }, "id": 4796, "indexExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 4794, "name": "msg", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 18360, "src": "22336:3:7", "typeDescriptions": { "typeIdentifier": "t_magic_message", "typeString": "msg" } }, "id": 4795, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "sender", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "22336:10:7", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "nodeType": "IndexAccess", "src": "22313:34:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "functionReturnParameters": 4791, "id": 4797, "nodeType": "Return", "src": "22306:41:7" } ] }, "documentation": "@notice Get the caller's withdraw allowance.\n @return The caller's withdraw allowance in wei.", "id": 4799, "implemented": true, "kind": "function", "modifiers": [], "name": "getWithdrawableAmount", "nodeType": "FunctionDefinition", "parameters": { "id": 4788, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 4787, "name": "_d", "nodeType": "VariableDeclaration", "scope": 4799, "src": "22203:31:7", "stateVariable": false, "storageLocation": "storage", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit" }, "typeName": { "contractScope": null, "id": 4786, "name": "DepositUtils.Deposit", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 3893, "src": "22203:20:7", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit" } }, "value": null, "visibility": "internal" } ], "src": "22202:33:7" }, "returnParameters": { "id": 4791, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 4790, "name": "", "nodeType": "VariableDeclaration", "scope": 4799, "src": "22283:7:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 4789, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "22283:7:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "22282:9:7" }, "scope": 5103, "src": "22172:182:7", "stateMutability": "view", "superFunction": null, "visibility": "internal" }, { "body": { "id": 4842, "nodeType": "Block", "src": "22562:424:7", "statements": [ { "assignments": [ 4805 ], "declarations": [ { "constant": false, "id": 4805, "name": "rebateTokenHolder", "nodeType": "VariableDeclaration", "scope": 4842, "src": "22572:25:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 4804, "name": "address", "nodeType": "ElementaryTypeName", "src": "22572:7:7", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" } ], "id": 4809, "initialValue": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 4807, "name": "_d", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4801, "src": "22621:2:7", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit storage pointer" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit storage pointer" } ], "id": 4806, "name": "feeRebateTokenHolder", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4582, "src": "22600:20:7", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$_t_struct$_Deposit_$3893_storage_ptr_$returns$_t_address_payable_$", "typeString": "function (struct DepositUtils.Deposit storage pointer) view returns (address payable)" } }, "id": 4808, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "22600:24:7", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "nodeType": "VariableDeclarationStatement", "src": "22572:52:7" }, { "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 4814, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 4810, "name": "rebateTokenHolder", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4805, "src": "22709:17:7", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "hexValue": "30", "id": 4812, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "22738:1:7", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" } ], "id": 4811, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "22730:7:7", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 4813, "isConstant": false, "isLValue": false, "isPure": true, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "22730:10:7", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "src": "22709:31:7", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseBody": null, "id": 4817, "nodeType": "IfStatement", "src": "22705:68:7", "trueBody": { "id": 4816, "nodeType": "Block", "src": "22742:31:7", "statements": [ { "expression": null, "functionReturnParameters": 4803, "id": 4815, "nodeType": "Return", "src": "22756:7:7" } ] } }, { "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 4828, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 4822, "name": "this", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 18430, "src": "22867:4:7", "typeDescriptions": { "typeIdentifier": "t_contract$_DepositUtils_$5103", "typeString": "library DepositUtils" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_contract$_DepositUtils_$5103", "typeString": "library DepositUtils" } ], "id": 4821, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "22859:7:7", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 4823, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "22859:13:7", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "expression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 4818, "name": "_d", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4801, "src": "22836:2:7", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit storage pointer" } }, "id": 4819, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "tbtcToken", "nodeType": "MemberAccess", "referencedDeclaration": 3830, "src": "22836:12:7", "typeDescriptions": { "typeIdentifier": "t_contract$_TBTCToken_$8561", "typeString": "contract TBTCToken" } }, "id": 4820, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "balanceOf", "nodeType": "MemberAccess", "referencedDeclaration": 17007, "src": "22836:22:7", "typeDescriptions": { "typeIdentifier": "t_function_external_view$_t_address_$returns$_t_uint256_$", "typeString": "function (address) view external returns (uint256)" } }, "id": 4824, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "22836:37:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": ">=", "rightExpression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 4826, "name": "_d", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4801, "src": "22891:2:7", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit storage pointer" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit storage pointer" } ], "id": 4825, "name": "signerFeeTbtc", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4372, "src": "22877:13:7", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$_t_struct$_Deposit_$3893_storage_ptr_$returns$_t_uint256_$", "typeString": "function (struct DepositUtils.Deposit storage pointer) view returns (uint256)" } }, "id": 4827, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "22877:17:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "22836:58:7", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseBody": null, "id": 4841, "nodeType": "IfStatement", "src": "22832:148:7", "trueBody": { "id": 4840, "nodeType": "Block", "src": "22896:84:7", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 4834, "name": "rebateTokenHolder", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4805, "src": "22932:17:7", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 4836, "name": "_d", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4801, "src": "22965:2:7", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit storage pointer" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit storage pointer" } ], "id": 4835, "name": "signerFeeTbtc", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4372, "src": "22951:13:7", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$_t_struct$_Deposit_$3893_storage_ptr_$returns$_t_uint256_$", "typeString": "function (struct DepositUtils.Deposit storage pointer) view returns (uint256)" } }, "id": 4837, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "22951:17:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 4829, "name": "_d", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4801, "src": "22910:2:7", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit storage pointer" } }, "id": 4832, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "tbtcToken", "nodeType": "MemberAccess", "referencedDeclaration": 3830, "src": "22910:12:7", "typeDescriptions": { "typeIdentifier": "t_contract$_TBTCToken_$8561", "typeString": "contract TBTCToken" } }, "id": 4833, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "transfer", "nodeType": "MemberAccess", "referencedDeclaration": 17026, "src": "22910:21:7", "typeDescriptions": { "typeIdentifier": "t_function_external_nonpayable$_t_address_$_t_uint256_$returns$_t_bool_$", "typeString": "function (address,uint256) external returns (bool)" } }, "id": 4838, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "22910:59:7", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "id": 4839, "nodeType": "ExpressionStatement", "src": "22910:59:7" } ] } } ] }, "documentation": "@notice Distributes the fee rebate to the Fee Rebate Token owner.\n @dev Whenever this is called we are shutting down.", "id": 4843, "implemented": true, "kind": "function", "modifiers": [], "name": "distributeFeeRebate", "nodeType": "FunctionDefinition", "parameters": { "id": 4802, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 4801, "name": "_d", "nodeType": "VariableDeclaration", "scope": 4843, "src": "22533:18:7", "stateVariable": false, "storageLocation": "storage", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit" }, "typeName": { "contractScope": null, "id": 4800, "name": "Deposit", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 3893, "src": "22533:7:7", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit" } }, "value": null, "visibility": "internal" } ], "src": "22532:20:7" }, "returnParameters": { "id": 4803, "nodeType": "ParameterList", "parameters": [], "src": "22562:0:7" }, "scope": 5103, "src": "22504:482:7", "stateMutability": "nonpayable", "superFunction": null, "visibility": "internal" }, { "body": { "id": 4881, "nodeType": "Block", "src": "23299:261:7", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 4856, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 4852, "name": "this", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 18430, "src": "23325:4:7", "typeDescriptions": { "typeIdentifier": "t_contract$_DepositUtils_$5103", "typeString": "library DepositUtils" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_contract$_DepositUtils_$5103", "typeString": "library DepositUtils" } ], "id": 4851, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "23317:7:7", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": "address" }, "id": 4853, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "23317:13:7", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "id": 4854, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "balance", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "23317:21:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": ">=", "rightExpression": { "argumentTypes": null, "id": 4855, "name": "_ethValue", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4847, "src": "23342:9:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "src": "23317:34:7", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, { "argumentTypes": null, "hexValue": "4e6f7420656e6f7567682066756e647320746f2073656e64", "id": 4857, "isConstant": false, "isLValue": false, "isPure": true, "kind": "string", "lValueRequested": false, "nodeType": "Literal", "src": "23353:26:7", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_stringliteral_9476531a76f04b5f2de46913967db55b84e39554821c5291fefd8f5b1d965ae8", "typeString": "literal_string \"Not enough funds to send\"" }, "value": "Not enough funds to send" } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_bool", "typeString": "bool" }, { "typeIdentifier": "t_stringliteral_9476531a76f04b5f2de46913967db55b84e39554821c5291fefd8f5b1d965ae8", "typeString": "literal_string \"Not enough funds to send\"" } ], "id": 4850, "name": "require", "nodeType": "Identifier", "overloadedDeclarations": [ 18363, 18364 ], "referencedDeclaration": 18364, "src": "23309:7:7", "typeDescriptions": { "typeIdentifier": "t_function_require_pure$_t_bool_$_t_string_memory_ptr_$returns$__$", "typeString": "function (bool,string memory) pure" } }, "id": 4858, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "23309:71:7", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 4859, "nodeType": "ExpressionStatement", "src": "23309:71:7" }, { "condition": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 4862, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 4860, "name": "_ethValue", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4847, "src": "23394:9:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": ">", "rightExpression": { "argumentTypes": null, "hexValue": "30", "id": 4861, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "23406:1:7", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "23394:13:7", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseBody": null, "id": 4880, "nodeType": "IfStatement", "src": "23390:164:7", "trueBody": { "id": 4879, "nodeType": "Block", "src": "23409:145:7", "statements": [ { "assignments": [ 4864 ], "declarations": [ { "constant": false, "id": 4864, "name": "_keep", "nodeType": "VariableDeclaration", "scope": 4879, "src": "23423:22:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_contract$_IBondedECDSAKeep_$11428", "typeString": "contract IBondedECDSAKeep" }, "typeName": { "contractScope": null, "id": 4863, "name": "IBondedECDSAKeep", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 11428, "src": "23423:16:7", "typeDescriptions": { "typeIdentifier": "t_contract$_IBondedECDSAKeep_$11428", "typeString": "contract IBondedECDSAKeep" } }, "value": null, "visibility": "internal" } ], "id": 4869, "initialValue": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 4866, "name": "_d", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4845, "src": "23465:2:7", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit storage pointer" } }, "id": 4867, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "keepAddress", "nodeType": "MemberAccess", "referencedDeclaration": 3858, "src": "23465:14:7", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_address", "typeString": "address" } ], "id": 4865, "name": "IBondedECDSAKeep", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 11428, "src": "23448:16:7", "typeDescriptions": { "typeIdentifier": "t_type$_t_contract$_IBondedECDSAKeep_$11428_$", "typeString": "type(contract IBondedECDSAKeep)" } }, "id": 4868, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "23448:32:7", "typeDescriptions": { "typeIdentifier": "t_contract$_IBondedECDSAKeep_$11428", "typeString": "contract IBondedECDSAKeep" } }, "nodeType": "VariableDeclarationStatement", "src": "23423:57:7" }, { "expression": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "arguments": [ { "argumentTypes": null, "id": 4875, "name": "_ethValue", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4847, "src": "23531:9:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "expression": { "argumentTypes": null, "expression": { "argumentTypes": null, "id": 4870, "name": "_keep", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4864, "src": "23494:5:7", "typeDescriptions": { "typeIdentifier": "t_contract$_IBondedECDSAKeep_$11428", "typeString": "contract IBondedECDSAKeep" } }, "id": 4873, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "returnPartialSignerBonds", "nodeType": "MemberAccess", "referencedDeclaration": 11409, "src": "23494:30:7", "typeDescriptions": { "typeIdentifier": "t_function_external_payable$__$returns$__$", "typeString": "function () payable external" } }, "id": 4874, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "memberName": "value", "nodeType": "MemberAccess", "referencedDeclaration": null, "src": "23494:36:7", "typeDescriptions": { "typeIdentifier": "t_function_setvalue_pure$_t_uint256_$returns$_t_function_external_payable$__$returns$__$value_$", "typeString": "function (uint256) pure returns (function () payable external)" } }, "id": 4876, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "23494:47:7", "typeDescriptions": { "typeIdentifier": "t_function_external_payable$__$returns$__$value", "typeString": "function () payable external" } }, "id": 4877, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "23494:49:7", "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 4878, "nodeType": "ExpressionStatement", "src": "23494:49:7" } ] } } ] }, "documentation": "@notice Pushes ether held by the deposit to the signer group.\n @dev Ether is returned to signing group members bonds.\n @param _ethValue The amount of ether to send.", "id": 4882, "implemented": true, "kind": "function", "modifiers": [], "name": "pushFundsToKeepGroup", "nodeType": "FunctionDefinition", "parameters": { "id": 4848, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 4845, "name": "_d", "nodeType": "VariableDeclaration", "scope": 4882, "src": "23239:18:7", "stateVariable": false, "storageLocation": "storage", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit" }, "typeName": { "contractScope": null, "id": 4844, "name": "Deposit", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 3893, "src": "23239:7:7", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 4847, "name": "_ethValue", "nodeType": "VariableDeclaration", "scope": 4882, "src": "23259:17:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 4846, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "23259:7:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "23238:39:7" }, "returnParameters": { "id": 4849, "nodeType": "ParameterList", "parameters": [], "src": "23299:0:7" }, "scope": 5103, "src": "23209:351:7", "stateMutability": "nonpayable", "superFunction": null, "visibility": "internal" }, { "body": { "id": 5031, "nodeType": "Block", "src": "25214:2051:7", "statements": [ { "assignments": [ 4898 ], "declarations": [ { "constant": false, "id": 4898, "name": "redeemerHoldsTdt", "nodeType": "VariableDeclaration", "scope": 5031, "src": "25224:21:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 4897, "name": "bool", "nodeType": "ElementaryTypeName", "src": "25224:4:7", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "internal" } ], "id": 4906, "initialValue": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_bool", "typeString": "bool" }, "id": 4905, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "id": 4899, "name": "_assumeRedeemerHoldsTdt", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4888, "src": "25260:23:7", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "nodeType": "BinaryOperation", "operator": "||", "rightExpression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_address", "typeString": "address" }, "id": 4904, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 4901, "name": "_d", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4884, "src": "25300:2:7", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit storage pointer" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit storage pointer" } ], "id": 4900, "name": "depositOwner", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4604, "src": "25287:12:7", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$_t_struct$_Deposit_$3893_storage_ptr_$returns$_t_address_payable_$", "typeString": "function (struct DepositUtils.Deposit storage pointer) view returns (address payable)" } }, "id": 4902, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "25287:16:7", "typeDescriptions": { "typeIdentifier": "t_address_payable", "typeString": "address payable" } }, "nodeType": "BinaryOperation", "operator": "==", "rightExpression": { "argumentTypes": null, "id": 4903, "name": "_redeemer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4886, "src": "25307:9:7", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "src": "25287:29:7", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "src": "25260:56:7", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "nodeType": "VariableDeclarationStatement", "src": "25224:92:7" }, { "assignments": [ 4908 ], "declarations": [ { "constant": false, "id": 4908, "name": "preTerm", "nodeType": "VariableDeclaration", "scope": 5031, "src": "25326:12:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 4907, "name": "bool", "nodeType": "ElementaryTypeName", "src": "25326:4:7", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "internal" } ], "id": 4919, "initialValue": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_bool", "typeString": "bool" }, "id": 4918, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "commonType": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "id": 4913, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "leftExpression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 4910, "name": "_d", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4884, "src": "25355:2:7", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit storage pointer" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit storage pointer" } ], "id": 4909, "name": "remainingTerm", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4269, "src": "25341:13:7", "typeDescriptions": { "typeIdentifier": "t_function_internal_view$_t_struct$_Deposit_$3893_storage_ptr_$returns$_t_uint256_$", "typeString": "function (struct DepositUtils.Deposit storage pointer) view returns (uint256)" } }, "id": 4911, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "25341:17:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "nodeType": "BinaryOperation", "operator": ">", "rightExpression": { "argumentTypes": null, "hexValue": "30", "id": 4912, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "25361:1:7", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "src": "25341:21:7", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "nodeType": "BinaryOperation", "operator": "&&", "rightExpression": { "argumentTypes": null, "id": 4917, "isConstant": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "UnaryOperation", "operator": "!", "prefix": true, "src": "25366:20:7", "subExpression": { "argumentTypes": null, "arguments": [], "expression": { "argumentTypes": [], "expression": { "argumentTypes": null, "id": 4914, "name": "_d", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4884, "src": "25367:2:7", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit storage pointer" } }, "id": 4915, "isConstant": false, "isLValue": true, "isPure": false, "lValueRequested": false, "memberName": "inCourtesyCall", 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"27089:102:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "id": 5025, "nodeType": "ExpressionStatement", "src": "27089:102:7" }, { "expression": { "argumentTypes": null, "components": [ { "argumentTypes": null, "id": 5026, "name": "owedToDeposit", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4891, "src": "27210:13:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, { "argumentTypes": null, "id": 5027, "name": "owedToTdtHolder", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4893, "src": "27225:15:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, { "argumentTypes": null, "id": 5028, "name": "owedToFrtHolder", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 4895, "src": "27242:15:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "id": 5029, "isConstant": false, "isInlineArray": false, "isLValue": false, "isPure": false, "lValueRequested": false, "nodeType": "TupleExpression", "src": "27209:49:7", "typeDescriptions": { "typeIdentifier": "t_tuple$_t_uint256_$_t_uint256_$_t_uint256_$", "typeString": "tuple(uint256,uint256,uint256)" } }, "functionReturnParameters": 4896, "id": 5030, "nodeType": "Return", "src": "27202:56:7" } ] }, "documentation": "@notice Calculate TBTC amount required for redemption by a specified\n _redeemer. If _assumeRedeemerHoldTdt is true, return the\n requirement as if the redeemer holds this deposit's TDT.\n @dev Will revert if redemption is not possible by the current owner and\n _assumeRedeemerHoldsTdt was not set. Setting\n _assumeRedeemerHoldsTdt only when appropriate is the responsibility\n of the caller; as such, this function should NEVER be publicly\n exposed.\n @param _redeemer The account that should be treated as redeeming this\n deposit for the purposes of this calculation.\n @param _assumeRedeemerHoldsTdt If true, the calculation assumes that the\n specified redeemer holds the TDT. If false, the calculation\n checks the deposit owner against the specified _redeemer. Note\n that this parameter should be false for all mutating calls to\n preserve system correctness.\n @return A tuple of the amount the redeemer owes to the deposit to\n initiate redemption, the amount that is owed to the TDT holder\n when redemption is initiated, and the amount that is owed to the\n FRT holder when redemption is initiated.", "id": 5032, "implemented": true, "kind": "function", "modifiers": [], "name": "calculateRedemptionTbtcAmounts", "nodeType": "FunctionDefinition", "parameters": { "id": 4889, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 4884, "name": "_d", "nodeType": "VariableDeclaration", "scope": 5032, "src": "24941:31:7", "stateVariable": false, "storageLocation": "storage", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit" }, "typeName": { "contractScope": null, "id": 4883, "name": "DepositUtils.Deposit", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 3893, "src": "24941:20:7", "typeDescriptions": { "typeIdentifier": "t_struct$_Deposit_$3893_storage_ptr", "typeString": "struct DepositUtils.Deposit" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 4886, "name": "_redeemer", "nodeType": "VariableDeclaration", "scope": 5032, "src": "24982:17:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 4885, "name": "address", "nodeType": "ElementaryTypeName", "src": "24982:7:7", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 4888, "name": "_assumeRedeemerHoldsTdt", "nodeType": "VariableDeclaration", "scope": 5032, "src": "25009:28:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 4887, "name": "bool", "nodeType": "ElementaryTypeName", "src": "25009:4:7", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "internal" } ], "src": "24931:112:7" }, "returnParameters": { "id": 4896, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 4891, "name": "owedToDeposit", "nodeType": "VariableDeclaration", "scope": 5032, "src": "25104:21:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 4890, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "25104:7:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 4893, "name": "owedToTdtHolder", "nodeType": "VariableDeclaration", "scope": 5032, "src": "25139:23:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 4892, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "25139:7:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 4895, "name": "owedToFrtHolder", "nodeType": "VariableDeclaration", "scope": 5032, "src": "25176:23:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 4894, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "25176:7:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "25090:119:7" }, "scope": 5103, "src": "24892:2373:7", "stateMutability": "view", "superFunction": null, "visibility": "internal" }, { "body": { "id": 5048, "nodeType": "Block", "src": "27692:97:7", "statements": [ { "condition": { "argumentTypes": null, "id": 5041, "name": "_redeemerHoldsTdt", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5036, "src": "27706:17:7", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "falseBody": null, "id": 5045, "nodeType": "IfStatement", "src": "27702:56:7", "trueBody": { "id": 5044, "nodeType": "Block", "src": "27725:33:7", "statements": [ { "expression": { "argumentTypes": null, "hexValue": "30", "id": 5042, "isConstant": false, "isLValue": false, "isPure": true, "kind": "number", "lValueRequested": false, "nodeType": "Literal", "src": "27746:1:7", "subdenomination": null, "typeDescriptions": { "typeIdentifier": "t_rational_0_by_1", "typeString": "int_const 0" }, "value": "0" }, "functionReturnParameters": 5040, "id": 5043, "nodeType": "Return", "src": "27739:8:7" } ] } }, { "expression": { "argumentTypes": null, "id": 5046, "name": "_lotSize", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 5034, "src": "27774:8:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "functionReturnParameters": 5040, "id": 5047, "nodeType": "Return", "src": "27767:15:7" } ] }, "documentation": "@notice Get the base TBTC amount needed to redeem.\n @param _lotSize The lot size to use for the base redemption charge.\n @param _redeemerHoldsTdt True if the redeemer is the TDT holder.\n @return The amount in TBTC.", "id": 5049, "implemented": true, "kind": "function", "modifiers": [], "name": "calculateBaseRedemptionCharge", "nodeType": "FunctionDefinition", "parameters": { "id": 5037, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 5034, "name": "_lotSize", "nodeType": "VariableDeclaration", "scope": 5049, "src": "27605:16:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 5033, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "27605:7:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 5036, "name": "_redeemerHoldsTdt", "nodeType": "VariableDeclaration", "scope": 5049, "src": "27631:22:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 5035, "name": "bool", "nodeType": "ElementaryTypeName", "src": "27631:4:7", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "internal" } ], "src": "27595:64:7" }, "returnParameters": { "id": 5040, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 5039, "name": "", "nodeType": "VariableDeclaration", "scope": 5049, "src": "27683:7:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 5038, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "27683:7:7", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "27682:9:7" }, "scope": 5103, "src": "27557:232:7", "stateMutability": "pure", "superFunction": null, "visibility": "internal" }, { "body": { "id": 5101, "nodeType": "Block", "src": "28485:857:7", "statements": [ { "assignments": [ 5065 ], "declarations": [ { "constant": false, "id": 5065, "name": "escrowRequiresFeeRebate", "nodeType": "VariableDeclaration", "scope": 5101, "src": "28679:28:7", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" }, "typeName": { "id": 5064, "name": "bool", "nodeType": "ElementaryTypeName", "src": "28679:4:7", "typeDescriptions": { "typeIdentifier": "t_bool", "typeString": "bool" } }, "value": null, "visibility": "internal" } 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the value up.", "params": { "_d": "Deposit storage pointer." }, "return": "The value in wei to distribute in the auction at the current time." }, "bytes8LEToUint(bytes8)": { "details": "Do this by converting to bytes, then reversing endianness, then converting to int.", "return": "The uint256 represented in LE by the bytes8." }, "checkProofFromTxId(DepositUtils.Deposit storage,bytes32,bytes,uint256,bytes)": { "details": "Stateless SPV Proof verification documented elsewhere (see https://github.com/summa-tx/bitcoin-spv).", "params": { "_bitcoinHeaders": "An array of tightly-packed bitcoin headers.", "_d": "Deposit storage pointer.", "_merkleProof": "The merkle proof of inclusion of the tx in the bitcoin block.", "_txId": "The bitcoin txid of the tx that is purportedly included in the header chain.", "_txIndexInBlock": "The index of the tx in the Bitcoin block (0-indexed)." } }, "compressPubkey(bytes32,bytes32)": { "details": "Converts the 64-byte key to a 33-byte key, bitcoin-style.", "params": { "_pubkeyX": "The X coordinate of the public key.", "_pubkeyY": "The Y coordinate of the public key." }, "return": "The 33-byte compressed pubkey." }, "currentBlockDifficulty(DepositUtils.Deposit storage)": { "details": "Calls the light relay and gets the current block difficulty.", "return": "The difficulty." }, "depositOwner(DepositUtils.Deposit storage)": { "details": "We cast the address to a uint256 to match the 721 standard.", "return": "The current deposit beneficiary." }, "determineCompressionPrefix(bytes32)": { "details": "The prefix encodes the parity of the Y coordinate.", "params": { "_pubkeyY": "The Y coordinate of the public key." }, "return": "The 1-byte prefix for the compressed key." }, "evaluateProofDifficulty(DepositUtils.Deposit storage,bytes)": { "details": "Uses the light oracle to source recent difficulty.", "params": { "_bitcoinHeaders": "The header chain to evaluate." }, "return": "True if acceptable, otherwise revert." }, "feeRebateTokenHolder(DepositUtils.Deposit storage)": { "return": "The current token holder if the Token exists. address(0) if the token does not exist." }, "fetchBitcoinPrice(DepositUtils.Deposit storage)": { "details": "Polls the price feed via the system contract.", "return": "The current price of 1 sat in wei." }, "fetchBondAmount(DepositUtils.Deposit storage)": { "details": "Calls the keep contract to do so.", "return": "The amount of bonded ETH in wei." }, "findAndParseFundingOutput(DepositUtils.Deposit storage,bytes,uint8)": { "details": "Gets `_fundingOutputIndex` output from the output vector and validates if it is a p2wpkh output with public key hash matching this deposit's public key hash.", "params": { "_d": "Deposit storage pointer.", "_fundingOutputIndex": "Index of funding output in _txOutputVector.", "_txOutputVector": "All transaction outputs prepended by the number of outputs encoded as a VarInt, max 0xFC outputs." }, "return": "Funding value." }, "lotSizeTbtc(DepositUtils.Deposit storage)": { "return": "uint256 lot size in 10**18 decimals." }, "previousBlockDifficulty(DepositUtils.Deposit storage)": { "details": "Calls the light relay and gets the previous block difficulty.", "return": "The difficulty." }, "redemptionTeardown(DepositUtils.Deposit storage)": { "details": "We keep around the redeemer address so we can pay them out." }, "remainingTerm(DepositUtils.Deposit storage)": { "details": "The return value is not guaranteed since block.timestmap can be lightly manipulated by miners.", "return": "The remaining term of the deposit in seconds. 0 if already at term" }, "signerFeeTbtc(DepositUtils.Deposit storage)": { "details": "Signers are paid based on the TBTC issued.", "return": "Accumulated fees in 10**18 decimals." }, "signerPKH(DepositUtils.Deposit storage)": { "details": "This is used in bitcoin output scripts for the signers.", "return": "20-bytes public key hash." }, "signerPubkey(DepositUtils.Deposit storage)": { "details": "We store it as 2 bytes32, (2 slots) then repack it on demand.", "return": "64 byte public key." }, "utxoValue(DepositUtils.Deposit storage)": { "details": "We store the deposit as bytes8 to make signature checking easier.", "return": "UTXO value in satoshi." }, "validateAndParseFundingSPVProof(DepositUtils.Deposit storage,bytes4,bytes,bytes,bytes4,uint8,bytes,uint256,bytes)": { "details": "Takes a pre-parsed transaction and calculates values needed to verify funding.", "params": { "_bitcoinHeaders": "Single bytestring of 80-byte bitcoin headers, lowest height first.", "_d": "Deposit storage pointer.", "_fundingOutputIndex": "Index of funding output in _txOutputVector (0-indexed).", "_merkleProof": "The merkle proof of transaction inclusion in a block.", "_txIndexInBlock": "Transaction index in the block (0-indexed).", "_txInputVector": "All transaction inputs prepended by the number of inputs encoded as a VarInt, max 0xFC(252) inputs.", "_txLocktime": "Final 4 bytes of the transaction.", "_txOutputVector": "All transaction outputs prepended by the number of outputs encoded as a VarInt, max 0xFC(252) outputs.", "_txVersion": "Transaction version number (4-byte LE)." }, "return": "The 8-byte LE UTXO size in satoshi, the 36byte outpoint." }, "wasDigestApprovedForSigning(DepositUtils.Deposit storage,bytes32)": { "details": "Identifies entry in the recorded approvals by keep ID and digest pair.", "params": { "_digest": "Digest to check approval for." }, "return": "Timestamp from the moment of recording the digest for signing. 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