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add initial elliptic curve points generation

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Barry Gitarts 2018-08-09 15:17:31 -04:00 committed by Barry G
parent 5f1c5f7336
commit e6428cc331
3 changed files with 24 additions and 4 deletions
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1
package.json
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@ -22,6 +22,7 @@
"@material-ui/icons": "^1.1.0",
"bignumber.js": "^5.0.0",
"classnames": "^2.2.6",
"elliptic": "^6.4.1",
"eth-ens-namehash": "^2.0.8",
"formik": "^0.11.11",
"install": "^0.11.0",

9
test/enssubdomainregistry.js
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@ -166,12 +166,13 @@ contract('ENSSubdomainRegistry', function () {
let subdomain = 'bob2';
let usernameHash = namehash.hash(subdomain + '.' + domains.free.name);
let contactCode = '0x04dbb31252d9bddb4e4d362c7b9c80cba74732280737af97971f42ccbdc716f3f3efb1db366880e52d09b1bfd59842e833f3004088892b7d14b9ce9e957cea9a82';
let points = utils.generateXY(contactCode);
let result = await ENSSubdomainRegistry.methods.register(
web3Utils.sha3(subdomain),
domains.free.namehash,
registrant,
utils.zeroBytes32,
utils.zeroBytes32,
points.x,
points.y,
contactCode
).send({from: registrant});
@ -182,8 +183,8 @@ contract('ENSSubdomainRegistry', function () {
result = await PublicResolver.methods.text(usernameHash, "statusAccount").call()
assert.equal(result, contactCode, "Resolved contact code not set");
result = await PublicResolver.methods.pubkey(usernameHash).call()
assert.equal(result[0], utils.zeroBytes32, "Unexpected resolved pubkey[0]");
assert.equal(result[1], utils.zeroBytes32, "Unexpected resolved pubkey[1]");
let pubKey = utils.keyFromXY(result[0], result[1]);
assert.equal(pubKey, contactCode, "pubKey does not match contract code");
});

18
utils/testUtils.js
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@ -1,3 +1,5 @@
var EC = require('elliptic').ec;
var ec = new EC('secp256k1');
// This has been tested with the real Ethereum network and Testrpc.
// Copied and edited from: https://gist.github.com/xavierlepretre/d5583222fde52ddfbc58b7cfa0d2d0a9
@ -237,3 +239,19 @@ exports.increaseTime = async (amount) => {
)
});
}
exports.generateXY = pub => {
const stripped = pub.slice(2);
const key = ec.keyFromPublic(stripped, 'hex');
const pubPoint = key.getPublic();
const x = '0x' + pubPoint.getX().toString(16);
const y = '0x'+ pubPoint.getY().toString(16);
return { x, y };
}
exports.keyFromXY = (X, Y) => {
const x = Buffer.from(X.substring(2), 'hex');
const y = Buffer.from(Y.substring(2), 'hex');
const keys = ec.keyFromPublic({ x, y }, 'hex');
return `0x${keys.getPublic().encode('hex')}`;
}