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Parse extended root key regardless of prefix

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Ian Coleman
2018-05-29 10:21:21 +10:00
parent 7733ac322b
commit 6f7fa3539e
2 changed files with 81 additions and 0 deletions
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src/js/index.js
+62
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@@ -478,6 +478,37 @@
}
function calcBip32RootKeyFromBase58(rootKeyBase58) {
// try parsing with various segwit network params since this extended
// key may be from any one of them.
if (networkHasSegwit()) {
var n = network;
if ("baseNetwork" in n) {
n = bitcoinjs.bitcoin.networks[n.baseNetwork];
}
// try parsing using base network params
try {
bip32RootKey = bitcoinjs.bitcoin.HDNode.fromBase58(rootKeyBase58, n);
return;
}
catch (e) {}
// try parsing using p2wpkh params
if ("p2wpkh" in n) {
try {
bip32RootKey = bitcoinjs.bitcoin.HDNode.fromBase58(rootKeyBase58, n.p2wpkh);
return;
}
catch (e) {}
}
// try parsing using p2wpkh-in-p2sh network params
if ("p2wpkhInP2sh" in n) {
try {
bip32RootKey = bitcoinjs.bitcoin.HDNode.fromBase58(rootKeyBase58, n.p2wpkhInP2sh);
return;
}
catch (e) {}
}
}
// try the network params as currently specified
bip32RootKey = bitcoinjs.bitcoin.HDNode.fromBase58(rootKeyBase58, network);
}
@@ -551,6 +582,37 @@
}
function validateRootKey(rootKeyBase58) {
// try various segwit network params since this extended key may be from
// any one of them.
if (networkHasSegwit()) {
var n = network;
if ("baseNetwork" in n) {
n = bitcoinjs.bitcoin.networks[n.baseNetwork];
}
// try parsing using base network params
try {
bitcoinjs.bitcoin.HDNode.fromBase58(rootKeyBase58, n);
return "";
}
catch (e) {}
// try parsing using p2wpkh params
if ("p2wpkh" in n) {
try {
bitcoinjs.bitcoin.HDNode.fromBase58(rootKeyBase58, n.p2wpkh);
return "";
}
catch (e) {}
}
// try parsing using p2wpkh-in-p2sh network params
if ("p2wpkhInP2sh" in n) {
try {
bitcoinjs.bitcoin.HDNode.fromBase58(rootKeyBase58, n.p2wpkhInP2sh);
return "";
}
catch (e) {}
}
}
// try the network params as currently specified
try {
bitcoinjs.bitcoin.HDNode.fromBase58(rootKeyBase58, network);
}