{
  "_format": "hh-sol-artifact-1",
  "contractName": "UniswapV2ERC20",
  "sourceName": "contracts/uniswapv2/UniswapV2ERC20.sol",
  "abi": [
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      "inputs": [],
      "stateMutability": "nonpayable",
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          "internalType": "address",
          "name": "from",
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          "indexed": false,
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          "name": "value",
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      "type": "event"
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      "name": "DOMAIN_SEPARATOR",
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          "internalType": "bytes32",
          "name": "",
          "type": "bytes32"
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      "name": "PERMIT_TYPEHASH",
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          "type": "address"
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        {
          "internalType": "address",
          "name": "",
          "type": "address"
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        {
          "internalType": "uint256",
          "name": "value",
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          "internalType": "address",
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          "type": "uint8"
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          "name": "",
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          "name": "owner",
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          "type": "uint256"
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        {
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        {
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          "internalType": "uint256",
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