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…der-equations # Conflicts: # package.json # yarn.lock
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,46 @@ | ||
| // Base58 encoding/decoding | ||
| // Originally written by Mike Hearn for BitcoinJ | ||
| // Copyright (c) 2011 Google Inc | ||
| // Ported to JavaScript by Stefan Thomas | ||
| // Merged Buffer refactorings from base58-native by Stephen Pair | ||
| // Copyright (c) 2013 BitPay Inc | ||
|
|
||
| var ALPHABET = '123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz'; | ||
| var ALPHABET_MAP = {}; | ||
| for (var i = 0; i < ALPHABET.length; ++i) { | ||
| ALPHABET_MAP[ALPHABET.charAt(i)] = i; | ||
| } | ||
| var BASE = ALPHABET.length; | ||
|
|
||
| module.exports = { | ||
| decode: function(string) { | ||
| if (string.length === 0) return []; | ||
|
|
||
| var i, j, bytes = [0]; | ||
| for (i = 0; i < string.length; ++i) { | ||
| var c = string[i]; | ||
| if (!(c in ALPHABET_MAP)) throw new Error('Non-base58 character'); | ||
|
|
||
| for (j = 0; j < bytes.length; ++j) bytes[j] *= BASE | ||
| bytes[0] += ALPHABET_MAP[c]; | ||
|
|
||
| var carry = 0; | ||
| for (j = 0; j < bytes.length; ++j) { | ||
| bytes[j] += carry; | ||
| carry = bytes[j] >> 8; | ||
| bytes[j] &= 0xff | ||
| } | ||
|
|
||
| while (carry) { | ||
| bytes.push(carry & 0xff); | ||
| carry >>= 8; | ||
| } | ||
| } | ||
| // deal with leading zeros | ||
| for (i = 0; string[i] === '1' && i < string.length - 1; ++i){ | ||
| bytes.push(0); | ||
| } | ||
|
|
||
| return bytes.reverse(); | ||
| } | ||
| }; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,116 @@ | ||
| // Copyright (c) 2017 Pieter Wuille | ||
| // | ||
| // Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| // of this software and associated documentation files (the "Software"), to deal | ||
| // in the Software without restriction, including without limitation the rights | ||
| // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| // copies of the Software, and to permit persons to whom the Software is | ||
| // furnished to do so, subject to the following conditions: | ||
| // | ||
| // The above copyright notice and this permission notice shall be included in | ||
| // all copies or substantial portions of the Software. | ||
| // | ||
| // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | ||
| // THE SOFTWARE. | ||
|
|
||
| var CHARSET = 'qpzry9x8gf2tvdw0s3jn54khce6mua7l'; | ||
| var GENERATOR = [0x3b6a57b2, 0x26508e6d, 0x1ea119fa, 0x3d4233dd, 0x2a1462b3]; | ||
|
|
||
| module.exports = { | ||
| decode: decode, | ||
| encode: encode, | ||
| }; | ||
|
|
||
|
|
||
| function polymod (values) { | ||
| var chk = 1; | ||
| for (var p = 0; p < values.length; ++p) { | ||
| var top = chk >> 25; | ||
| chk = (chk & 0x1ffffff) << 5 ^ values[p]; | ||
| for (var i = 0; i < 5; ++i) { | ||
| if ((top >> i) & 1) { | ||
| chk ^= GENERATOR[i]; | ||
| } | ||
| } | ||
| } | ||
| return chk; | ||
| } | ||
|
|
||
| function hrpExpand (hrp) { | ||
| var ret = []; | ||
| var p; | ||
| for (p = 0; p < hrp.length; ++p) { | ||
| ret.push(hrp.charCodeAt(p) >> 5); | ||
| } | ||
| ret.push(0); | ||
| for (p = 0; p < hrp.length; ++p) { | ||
| ret.push(hrp.charCodeAt(p) & 31); | ||
| } | ||
| return ret; | ||
| } | ||
|
|
||
| function verifyChecksum (hrp, data) { | ||
| return polymod(hrpExpand(hrp).concat(data)) === 1; | ||
| } | ||
|
|
||
| function createChecksum (hrp, data) { | ||
| var values = hrpExpand(hrp).concat(data).concat([0, 0, 0, 0, 0, 0]); | ||
| var mod = polymod(values) ^ 1; | ||
| var ret = []; | ||
| for (var p = 0; p < 6; ++p) { | ||
| ret.push((mod >> 5 * (5 - p)) & 31); | ||
| } | ||
| return ret; | ||
| } | ||
|
|
||
| function encode (hrp, data) { | ||
| var combined = data.concat(createChecksum(hrp, data)); | ||
| var ret = hrp + '1'; | ||
| for (var p = 0; p < combined.length; ++p) { | ||
| ret += CHARSET.charAt(combined[p]); | ||
| } | ||
| return ret; | ||
| } | ||
|
|
||
| function decode (bechString) { | ||
| var p; | ||
| var has_lower = false; | ||
| var has_upper = false; | ||
| for (p = 0; p < bechString.length; ++p) { | ||
| if (bechString.charCodeAt(p) < 33 || bechString.charCodeAt(p) > 126) { | ||
| return null; | ||
| } | ||
| if (bechString.charCodeAt(p) >= 97 && bechString.charCodeAt(p) <= 122) { | ||
| has_lower = true; | ||
| } | ||
| if (bechString.charCodeAt(p) >= 65 && bechString.charCodeAt(p) <= 90) { | ||
| has_upper = true; | ||
| } | ||
| } | ||
| if (has_lower && has_upper) { | ||
| return null; | ||
| } | ||
| bechString = bechString.toLowerCase(); | ||
| var pos = bechString.lastIndexOf('1'); | ||
| if (pos < 1 || pos + 7 > bechString.length || bechString.length > 90) { | ||
| return null; | ||
| } | ||
| var hrp = bechString.substring(0, pos); | ||
| var data = []; | ||
| for (p = pos + 1; p < bechString.length; ++p) { | ||
| var d = CHARSET.indexOf(bechString.charAt(p)); | ||
| if (d === -1) { | ||
| return null; | ||
| } | ||
| data.push(d); | ||
| } | ||
| if (!verifyChecksum(hrp, data)) { | ||
| return null; | ||
| } | ||
| return {hrp: hrp, data: data.slice(0, data.length - 6)}; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,29 @@ | ||
| const ADDRESS_TYPES = { | ||
| P2PKH: 'p2pkh', | ||
| P2SH: 'p2sh', | ||
| BECH32: 'bech32' | ||
| }; | ||
|
|
||
| const NETWORKS = { | ||
| MAINNET: 'mainnet', | ||
| TESTNET: 'testnet', | ||
| REGTEST: 'regtest' | ||
| }; | ||
|
|
||
| const HASH_FIELD_NAMES = { | ||
| p2pkh: 'scriptPubKey', | ||
| p2sh: 'scriptHash' | ||
| }; | ||
|
|
||
| // Check https://github.com/rsksmart/RSKIPs/blob/2c994cc108885ccc5a116e4aee8c073b5eca5682/IPs/RSKIP170.md#specification for more details. | ||
| const ADDRESS_TYPES_CODES = { | ||
| p2pkh: '01', | ||
| p2sh: '02' | ||
| }; | ||
|
|
||
| module.exports = { | ||
| ADDRESS_TYPES, | ||
| NETWORKS, | ||
| HASH_FIELD_NAMES, | ||
| ADDRESS_TYPES_CODES, | ||
| }; |
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