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const opCodes = pops.filter(opcode => opcode.indexOf('0x') === -1);
const isAtomicSwap =
(new Opcode(opCodes[0]).toString() === new Opcode(Opcode.OP_IF).toString()) &&
(new Opcode(opCodes[1]).toString() === new Opcode(Opcode.OP_RIPEMD160).toString()) &&
(parseInt(opCodes[2]) === 20) &&
(new Opcode(opCodes[3]).toString() === new Opcode(Opcode.OP_EQUALVERIFY).toString()) &&
(new Opcode(opCodes[4]).toString() === new Opcode(Opcode.OP_DUP).toString()) &&
(new Opcode(opCodes[5]).toString() === new Opcode(Opcode.OP_HASH160).toString()) &&
(parseInt(opCodes[6]) === 20) &&
(new Opcode(opCodes[7]).toString() === new Opcode(Opcode.OP_ELSE).toString()) &&
(parseInt(opCodes[8])) &&
(new Opcode(opCodes[9]).toString() === new Opcode(Opcode.OP_CHECKLOCKTIMEVERIFY).toString()) &&
(new Opcode(opCodes[10]).toString() === new Opcode(Opcode.OP_DROP).toString()) &&
(new Opcode(opCodes[11]).toString() === new Opcode(Opcode.OP_DUP).toString()) &&
(new Opcode(opCodes[12]).toString() === new Opcode(Opcode.OP_HASH160).toString()) &&
(parseInt(opCodes[13]) === 20) &&
(new Opcode(opCodes[14]).toString() === new Opcode(Opcode.OP_ENDIF).toString()) &&
(new Opcode(opCodes[15]).toString() === new Opcode(Opcode.OP_EQUALVERIFY).toString()) &&
(new Opcode(opCodes[16]).toString() === new Opcode(Opcode.OP_CHECKSIG).toString());
if (!isAtomicSwap) {
console.error('contract is not an atomic swap script!');
return;
}
const data = pops.filter(opcode => opcode.indexOf('0x') !== -1);
const secretHash = data[0];
const recipientHash = data[1];
const lockTime = data[2].replace('0x', '');
const refundHash160 = data[3];
const isAtomicSwap =
(new Opcode(opCodes[0]).toString() === new Opcode(Opcode.OP_IF).toString()) &&
(new Opcode(opCodes[1]).toString() === new Opcode(Opcode.OP_RIPEMD160).toString()) &&
(parseInt(opCodes[2]) === 20) &&
(new Opcode(opCodes[3]).toString() === new Opcode(Opcode.OP_EQUALVERIFY).toString()) &&
(new Opcode(opCodes[4]).toString() === new Opcode(Opcode.OP_DUP).toString()) &&
(new Opcode(opCodes[5]).toString() === new Opcode(Opcode.OP_HASH160).toString()) &&
(parseInt(opCodes[6]) === 20) &&
(new Opcode(opCodes[7]).toString() === new Opcode(Opcode.OP_ELSE).toString()) &&
(parseInt(opCodes[8])) &&
(new Opcode(opCodes[9]).toString() === new Opcode(Opcode.OP_CHECKLOCKTIMEVERIFY).toString()) &&
(new Opcode(opCodes[10]).toString() === new Opcode(Opcode.OP_DROP).toString()) &&
(new Opcode(opCodes[11]).toString() === new Opcode(Opcode.OP_DUP).toString()) &&
(new Opcode(opCodes[12]).toString() === new Opcode(Opcode.OP_HASH160).toString()) &&
(parseInt(opCodes[13]) === 20) &&
(new Opcode(opCodes[14]).toString() === new Opcode(Opcode.OP_ENDIF).toString()) &&
(new Opcode(opCodes[15]).toString() === new Opcode(Opcode.OP_EQUALVERIFY).toString()) &&
(new Opcode(opCodes[16]).toString() === new Opcode(Opcode.OP_CHECKSIG).toString());
if (!isAtomicSwap) {
console.error('contract is not an atomic swap script!');
return;
}
const data = pops.filter(opcode => opcode.indexOf('0x') !== -1);
const secretHash = data[0];
const recipientHash = data[1];
const lockTime = data[2].replace('0x', '');
const refundHash160 = data[3];
return {
const isAtomicSwap =
(new Opcode(opCodes[0]).toString() === new Opcode(Opcode.OP_IF).toString()) &&
(new Opcode(opCodes[1]).toString() === new Opcode(Opcode.OP_RIPEMD160).toString()) &&
(parseInt(opCodes[2]) === 20) &&
(new Opcode(opCodes[3]).toString() === new Opcode(Opcode.OP_EQUALVERIFY).toString()) &&
(new Opcode(opCodes[4]).toString() === new Opcode(Opcode.OP_DUP).toString()) &&
(new Opcode(opCodes[5]).toString() === new Opcode(Opcode.OP_HASH160).toString()) &&
(parseInt(opCodes[6]) === 20) &&
(new Opcode(opCodes[7]).toString() === new Opcode(Opcode.OP_ELSE).toString()) &&
(parseInt(opCodes[8])) &&
(new Opcode(opCodes[9]).toString() === new Opcode(Opcode.OP_CHECKLOCKTIMEVERIFY).toString()) &&
(new Opcode(opCodes[10]).toString() === new Opcode(Opcode.OP_DROP).toString()) &&
(new Opcode(opCodes[11]).toString() === new Opcode(Opcode.OP_DUP).toString()) &&
(new Opcode(opCodes[12]).toString() === new Opcode(Opcode.OP_HASH160).toString()) &&
(parseInt(opCodes[13]) === 20) &&
(new Opcode(opCodes[14]).toString() === new Opcode(Opcode.OP_ENDIF).toString()) &&
(new Opcode(opCodes[15]).toString() === new Opcode(Opcode.OP_EQUALVERIFY).toString()) &&
(new Opcode(opCodes[16]).toString() === new Opcode(Opcode.OP_CHECKSIG).toString());
if (!isAtomicSwap) {
console.error('contract is not an atomic swap script!')
return;
}
const data = pops.filter(opcode => opcode.indexOf('0x') !== -1);
const secretHash = data[0];
const recipientHash = data[1];
const lockTime = data[2].replace('0x', '');
const refundHash160 = data[3];
return {
export const extractAtomicSwapContract = (ct) => {
const contract = new Script(ct);
const pops = contract.toString().split(' ');
const opCodes = pops.filter(opcode => opcode.indexOf('0x') === -1);
const isAtomicSwap =
(new Opcode(opCodes[0]).toString() === new Opcode(Opcode.OP_IF).toString()) &&
(new Opcode(opCodes[1]).toString() === new Opcode(Opcode.OP_RIPEMD160).toString()) &&
(parseInt(opCodes[2]) === 20) &&
(new Opcode(opCodes[3]).toString() === new Opcode(Opcode.OP_EQUALVERIFY).toString()) &&
(new Opcode(opCodes[4]).toString() === new Opcode(Opcode.OP_DUP).toString()) &&
(new Opcode(opCodes[5]).toString() === new Opcode(Opcode.OP_HASH160).toString()) &&
(parseInt(opCodes[6]) === 20) &&
(new Opcode(opCodes[7]).toString() === new Opcode(Opcode.OP_ELSE).toString()) &&
(parseInt(opCodes[8])) &&
(new Opcode(opCodes[9]).toString() === new Opcode(Opcode.OP_CHECKLOCKTIMEVERIFY).toString()) &&
(new Opcode(opCodes[10]).toString() === new Opcode(Opcode.OP_DROP).toString()) &&
(new Opcode(opCodes[11]).toString() === new Opcode(Opcode.OP_DUP).toString()) &&
(new Opcode(opCodes[12]).toString() === new Opcode(Opcode.OP_HASH160).toString()) &&
(parseInt(opCodes[13]) === 20) &&
(new Opcode(opCodes[14]).toString() === new Opcode(Opcode.OP_ENDIF).toString()) &&
(new Opcode(opCodes[15]).toString() === new Opcode(Opcode.OP_EQUALVERIFY).toString()) &&
(new Opcode(opCodes[16]).toString() === new Opcode(Opcode.OP_CHECKSIG).toString());
private extractAtomicSwapContract(ct: any) {
const contract = new Script(ct);
const pops = contract.toString().split(' ');
const opCodes = pops.filter(opcode => opcode.indexOf('0x') === -1);
const isAtomicSwap =
(new Opcode(opCodes[0]).toString() === new Opcode(Opcode.OP_IF).toString()) &&
(new Opcode(opCodes[1]).toString() === new Opcode(Opcode.OP_RIPEMD160).toString()) &&
(parseInt(opCodes[2]) === 20) &&
(new Opcode(opCodes[3]).toString() === new Opcode(Opcode.OP_EQUALVERIFY).toString()) &&
(new Opcode(opCodes[4]).toString() === new Opcode(Opcode.OP_DUP).toString()) &&
(new Opcode(opCodes[5]).toString() === new Opcode(Opcode.OP_HASH160).toString()) &&
(parseInt(opCodes[6]) === 20) &&
(new Opcode(opCodes[7]).toString() === new Opcode(Opcode.OP_ELSE).toString()) &&
(parseInt(opCodes[8])) &&
(new Opcode(opCodes[9]).toString() === new Opcode(Opcode.OP_CHECKLOCKTIMEVERIFY).toString()) &&
(new Opcode(opCodes[10]).toString() === new Opcode(Opcode.OP_DROP).toString()) &&
(new Opcode(opCodes[11]).toString() === new Opcode(Opcode.OP_DUP).toString()) &&
(new Opcode(opCodes[12]).toString() === new Opcode(Opcode.OP_HASH160).toString()) &&
(parseInt(opCodes[13]) === 20) &&
(new Opcode(opCodes[14]).toString() === new Opcode(Opcode.OP_ENDIF).toString()) &&
(new Opcode(opCodes[15]).toString() === new Opcode(Opcode.OP_EQUALVERIFY).toString()) &&
(new Opcode(opCodes[16]).toString() === new Opcode(Opcode.OP_CHECKSIG).toString());