import {Buffer} from 'buffer';

export declare interface Script {
    opcodes: opcodes; 
    // nullData: null;
    // multisig: string;
    // pubKey: string;
    // pubKeyHash: string;
    scriptHash: any;

  //constructor();
  classifyInput(script:Buffer):any;
  classifyOutput(script:Buffer):any;
  decode(scriptBuffer:Buffer):any[];
  encode(scriptChunks:any[]):Buffer;
  toASM(buffer: Buffer): string;
  fromASM(asm: string): Buffer;
  encodeNullDataOutput(data: Buffer): Buffer;
  decodeNullDataOutput(output: Buffer): Buffer;
  checkNullDataOutput(ouput: Buffer): Boolean;
  encodeP2PKInput(signature: Buffer): Buffer;
  decodeP2PKInput(input: Buffer): Buffer;
  checkP2PKInput(input: Buffer): Boolean;
  encodeP2PKOutput(pubKey: Buffer): Buffer;
  decodeP2PKOutput(pubKey: Buffer): Buffer;
  checkP2PKOutput(ouput: Buffer): Boolean;
  encodeP2PKHInput(signature: Buffer, pubKey: Buffer): Buffer;
  decodeP2PKHInput(signature: Buffer): Buffer;
  checkP2PKHInput(input: Buffer): Boolean;
  encodeP2PKHOutput(signature: Buffer, pubKey: Buffer): Buffer;
  decodeP2PKHOutput(output: Buffer): Buffer;
  checkP2PKHOutput(output: Buffer): Boolean;
  encodeP2MSInput(signatures: Buffer[]): Buffer;
  decodeP2MSInput(input: Buffer): Buffer;
  checkP2MSInput(input: Buffer): Boolean;
  encodeP2MSOutput(m: number, pubKeys: Buffer[]): Buffer;
  decodeP2MSOutput(output: Buffer): Buffer;
  checkP2MSOutput(input: Buffer): Boolean;
  encodeP2SHInput(redeemScriptSig: Buffer, redeemScript: Buffer): Buffer;
  decodeP2SHInput(input: Buffer): Buffer;
  checkP2SHInput(input: Buffer): boolean;
  encodeP2SHOutput(scriptHash: Buffer): Buffer;
  decodeP2SHOutput(output: Buffer): Buffer;
  checkP2SHOutput(output: Buffer): Boolean;
  classifyInput(input: Buffer): string;
  classifyOutput(output: Buffer): string;
}

declare interface opcodes {
  "OP_FALSE": 0,
  "OP_0": 0,
  "OP_PUSHDATA1": 76,
  "OP_PUSHDATA2": 77,
  "OP_PUSHDATA4": 78,
  "OP_1NEGATE": 79,
  "OP_RESERVED": 80,
  "OP_TRUE": 81,
  "OP_1": 81,
  "OP_2": 82,
  "OP_3": 83,
  "OP_4": 84,
  "OP_5": 85,
  "OP_6": 86,
  "OP_7": 87,
  "OP_8": 88,
  "OP_9": 89,
  "OP_10": 90,
  "OP_11": 91,
  "OP_12": 92,
  "OP_13": 93,
  "OP_14": 94,
  "OP_15": 95,
  "OP_16": 96,

  "OP_NOP": 97,
  "OP_VER": 98,
  "OP_IF": 99,
  "OP_NOTIF": 100,
  "OP_VERIF": 101,
  "OP_VERNOTIF": 102,
  "OP_ELSE": 103,
  "OP_ENDIF": 104,
  "OP_VERIFY": 105,
  "OP_RETURN": 106,

  "OP_TOALTSTACK": 107,
  "OP_FROMALTSTACK": 108,
  "OP_2DROP": 109,
  "OP_2DUP": 110,
  "OP_3DUP": 111,
  "OP_2OVER": 112,
  "OP_2ROT": 113,
  "OP_2SWAP": 114,
  "OP_IFDUP": 115,
  "OP_DEPTH": 116,
  "OP_DROP": 117,
  "OP_DUP": 118,
  "OP_NIP": 119,
  "OP_OVER": 120,
  "OP_PICK": 121,
  "OP_ROLL": 122,
  "OP_ROT": 123,
  "OP_SWAP": 124,
  "OP_TUCK": 125,

  "OP_CAT": 126,
  //"OP_SUBSTR": 127, -- replaced w/ OP_SPLIT see below
  //"OP_LEFT": 128, -- replaced w/ OP_SPLIT see below
  //"OP_RIGHT": 129, -- replaced w/ OP_SPLIT see below
  "OP_SIZE": 130,

  "OP_INVERT": 131,
  "OP_AND": 132,    // May 2018 reenabled
  "OP_OR": 133,     // May 2018 reenabled
  "OP_XOR": 134,    // May 2018 reenabled
  "OP_EQUAL": 135,
  "OP_EQUALVERIFY": 136,
  "OP_RESERVED1": 137,
  "OP_RESERVED2": 138,

  "OP_1ADD": 139,
  "OP_1SUB": 140,
  "OP_2MUL": 141,
  "OP_2DIV": 142,
  "OP_NEGATE": 143,
  "OP_ABS": 144,
  "OP_NOT": 145,
  "OP_0NOTEQUAL": 146,
  "OP_ADD": 147,
  "OP_SUB": 148,
  "OP_MUL": 149,
  "OP_DIV": 150,    // May 2018 reenabled
  "OP_MOD": 151,    // May 2018 reenabled
  "OP_LSHIFT": 152,
  "OP_RSHIFT": 153,

  "OP_BOOLAND": 154,
  "OP_BOOLOR": 155,
  "OP_NUMEQUAL": 156,
  "OP_NUMEQUALVERIFY": 157,
  "OP_NUMNOTEQUAL": 158,
  "OP_LESSTHAN": 159,
  "OP_GREATERTHAN": 160,
  "OP_LESSTHANOREQUAL": 161,
  "OP_GREATERTHANOREQUAL": 162,
  "OP_MIN": 163,
  "OP_MAX": 164,

  "OP_WITHIN": 165,

  "OP_RIPEMD160": 166,
  "OP_SHA1": 167,
  "OP_SHA256": 168,
  "OP_HASH160": 169,
  "OP_HASH256": 170,
  "OP_CODESEPARATOR": 171,
  "OP_CHECKSIG": 172,
  "OP_CHECKSIGVERIFY": 173,
  "OP_CHECKMULTISIG": 174,
  "OP_CHECKMULTISIGVERIFY": 175,

  "OP_NOP1": 176,
  
  "OP_NOP2": 177,
  "OP_CHECKLOCKTIMEVERIFY": 177,

  "OP_NOP3": 178,
  "OP_CHECKSEQUENCEVERIFY": 178,
  
  "OP_NOP4": 179,
  "OP_NOP5": 180,
  "OP_NOP6": 181,
  "OP_NOP7": 182,
  "OP_NOP8": 183,
  "OP_NOP9": 184,
  "OP_NOP10": 185,

  "OP_PUBKEYHASH": 253,
  "OP_PUBKEY": 254,
  "OP_INVALIDOPCODE": 255

  // May 2018 added opcodes
  "OP_SPLIT": 127,
  "OP_NUM2BIN": 128,
  "OP_BIN2NUM": 129

  // Nov 2018 enabled opcodes
  // TBD
}