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https://github.com/bitcoinbook/bitcoinbook
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9 lines
487 B
JavaScript
9 lines
487 B
JavaScript
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var btc = require('bitcore-lib')
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var oldAddress = btc.Address.fromString("1Ek9S3QNnutPV7GhtzR8Lr8yKPhxnUP8iw") // here's the old address
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var oldHash = oldAddress.hashBuffer
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var segwitP2PKH = Buffer.concat([new Buffer("0014","hex"), oldHash]) // 0x00 + 0x14 (pushdata 20 bytes) + old pubkeyhash
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var p2shHash = btc.crypto.Hash.sha256ripemd160(segwitP2PKH)
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var p2shAddress = btc.Address.fromScriptHash(p2shHash)
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var newAddress = p2shAddress.toString()
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// 36ghjA1KSAB1jDYD2RdiexEcY7r6XjmDQk
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