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Tweak README and accountPublicFromPublicGenerator

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This commit is contained in:
Nicholas Dudfield
2015-07-31 17:49:21 +07:00
parent a927f7d38b
commit bf64b6fbe0
3 changed files with 14 additions and 12 deletions
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2
packages/ripple-keypairs/README.md
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@@ -1,6 +1,6 @@
# ripple-keypairs # ripple-keypairs
[![NPM](https://img.shields.io/npm/v/ripple-keypairs.svg)](https://npmjs.org/package/ripple-keypairs) [![Build Status](https://img.shields.io/travis/sublimator/ripple-keypairs/master.svg)](https://travis-ci.org/sublimator/ripple-keypairs) [![Coverage Status](https://img.shields.io/coveralls/sublimator/ripple-keypairs/master.svg)](https://coveralls.io/github/sublimator/ripple-keypairs?branch=master) [![NPM](https://img.shields.io/npm/v/ripple-keypairs.svg)](https://npmjs.org/package/ripple-keypairs) [![Build Status](https://img.shields.io/travis/sublimator/ripple-keypairs/master.svg)](https://travis-ci.org/sublimator/ripple-keypairs) [![Coverage Status](https://coveralls.io/repos/sublimator/ripple-keypairs/badge.svg?branch=master&service=github)](https://coveralls.io/github/sublimator/ripple-keypairs?branch=master)
An implementation of ripple keypairs & wallet generation using An implementation of ripple keypairs & wallet generation using
[elliptic](https://github.com/indutny/elliptic) which supports rfc6979 and [elliptic](https://github.com/indutny/elliptic) which supports rfc6979 and

20
packages/ripple-keypairs/src/index.js
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@@ -1,13 +1,15 @@
'use strict'; 'use strict';
const assert = require('assert'); const assert = require('assert');
const codec = require('ripple-address-codec');
const rand = require('brorand'); const rand = require('brorand');
const {seedFromPhrase, createAccountID} = require('./utils'); const {seedFromPhrase, createAccountID} = require('./utils');
const {KeyPair, KeyType} = require('./keypair'); const {KeyPair, KeyType} = require('./keypair');
const {Ed25519Pair} = require('./ed25519'); const {Ed25519Pair} = require('./ed25519');
const {K256Pair, accountPublicFromGenerator} = require('./secp256k1'); const {K256Pair, accountPublicFromPublicGenerator} = require('./secp256k1');
const {decodeSeed, encodeNodePublic, decodeNodePublic, encodeAccountID} =
require('ripple-address-codec');
KeyPair.fromSeed = function(seedBytes, type, options) { KeyPair.fromSeed = function(seedBytes, type, options) {
assert(type === 'secp256k1' || type === 'ed25519'); assert(type === 'secp256k1' || type === 'ed25519');
@@ -16,7 +18,7 @@ KeyPair.fromSeed = function(seedBytes, type, options) {
}; };
function keyPairFromSeed(seedString, options) { function keyPairFromSeed(seedString, options) {
const decoded = codec.decodeSeed(seedString); const decoded = decodeSeed(seedString);
return KeyPair.fromSeed(decoded.bytes, decoded.type, options); return KeyPair.fromSeed(decoded.bytes, decoded.type, options);
} }
@@ -37,7 +39,7 @@ function generateWallet(opts={}) {
} }
function walletFromSeed(seed) { function walletFromSeed(seed) {
const {type, bytes} = codec.decodeSeed(seed); const {type, bytes} = decodeSeed(seed);
return deriveWallet(type, bytes); return deriveWallet(type, bytes);
} }
@@ -45,7 +47,7 @@ function deriveValidator(seedBytes) {
const pair = K256Pair.fromSeed(seedBytes, {validator: true}); const pair = K256Pair.fromSeed(seedBytes, {validator: true});
return { return {
seed: pair.seed(), seed: pair.seed(),
publicKey: codec.encodeNodePublic(pair.pubKeyCanonicalBytes()) publicKey: encodeNodePublic(pair.pubKeyCanonicalBytes())
}; };
} }
@@ -55,13 +57,13 @@ function generateValidatorKeys(opts={}) {
} }
function nodePublicAccountID(publicKey) { function nodePublicAccountID(publicKey) {
const genBytes = codec.decodeNodePublic(publicKey); const generatorBytes = decodeNodePublic(publicKey);
const accountPublicBytes = accountPublicFromGenerator(genBytes); const accountPublicBytes = accountPublicFromPublicGenerator(generatorBytes);
return codec.encodeAccountID(createAccountID(accountPublicBytes)); return encodeAccountID(createAccountID(accountPublicBytes));
} }
function validatorKeysFromSeed(seed) { function validatorKeysFromSeed(seed) {
const {type, bytes} = codec.decodeSeed(seed); const {type, bytes} = decodeSeed(seed);
assert(type === KeyType.secp256k1); assert(type === KeyType.secp256k1);
return deriveValidator(bytes); return deriveValidator(bytes);
} }

4
packages/ripple-keypairs/src/secp256k1.js
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@@ -57,7 +57,7 @@ function deriveSecret(seed, opts={}) {
.add(privateGen).mod(order); .add(privateGen).mod(order);
} }
function accountPublicFromGenerator(publicGenBytes) { function accountPublicFromPublicGenerator(publicGenBytes) {
const rootPubPoint = secp256k1.curve.decodePoint(publicGenBytes); const rootPubPoint = secp256k1.curve.decodePoint(publicGenBytes);
const scalar = deriveScalar(publicGenBytes, 0); const scalar = deriveScalar(publicGenBytes, 0);
const point = secp256k1.g.mul(scalar); const point = secp256k1.g.mul(scalar);
@@ -126,5 +126,5 @@ K256Pair.prototype.verify = function(message, signature) {
module.exports = { module.exports = {
K256Pair, K256Pair,
accountPublicFromGenerator accountPublicFromPublicGenerator
}; };