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ECPair: don't depend on WIF error message, avoid unnecessary import

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This commit is contained in:
Daniel Cousens 2016-04-27 17:05:33 +10:00
parent e52c0d5b67
commit 00cee340dd
1 changed files with 9 additions and 6 deletions
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15
src/ecpair.js
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@ -1,6 +1,5 @@
var baddress = require('./address')
var bcrypto = require('./crypto')
var bs58check = require('bs58check')
var ecdsa = require('./ecdsa')
var randomBytes = require('randombytes')
var typeforce = require('typeforce')
@ -59,20 +58,24 @@ ECPair.fromPublicKeyBuffer = function (buffer, network) {
}
ECPair.fromWIF = function (string, network) {
var buffer = bs58check.decode(string)
network = network || NETWORKS.bitcoin
var decoded = wif.decode(string)
var version = decoded.version
// [network, ...]
if (types.Array(network)) {
var version = buffer[0]
network = network.filter(function (network) {
return version === network.wif
}).pop()
if (!network) throw new Error('Unknown network version')
// network
} else if (network) {
// check version only if defined
if (version !== network.wif) throw new Error('Invalid network version')
}
network = network || NETWORKS.bitcoin
var decoded = wif.decodeRaw(buffer, network.wif)
var d = BigInteger.fromBuffer(decoded.privateKey)
return new ECPair(d, null, {