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Halo: Return compressed public keys and Ethereum addresses from get_pkeys #235

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Aug 11, 2023
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Halo: Return compressed public keys and Ethereum addresses from get_pkeys #235

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17 changes: 12 additions & 5 deletions docs/halo-command-set.md
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Original file line number Diff line number Diff line change
Expand Up @@ -546,11 +546,18 @@ Command:
Response:
```json
{
"publicKeys": {
"1": "042c061312771f471910ef8a3a437ac89f6ff81b2aeb0e3f5dcc2dd15d0d9d1fd7b48dba2ec753f0f70ea9b9a85df8a16e664546c9f7bad2be38e08eec63b916c7",
"2": "049faee2f29091bd63c48e8dd13e2577475c7eb4d4c6fa741300dedf5847e08f578296507382da42145d0ce5e5d6534bc94ba2ba8edbd6bb52af21223f914ceab0",
"3": "048069784d0c60e64952aa68744bb7dfff0bffa4cff0d160208a7a86600b466a433787f64b6efb0b8700e392d8ecb8ed5f1ee08f2440022d4efb8ab5ab3c2a9846"
}
"publicKeys": {
"1": "043acc264e3c10c01417a871b0f5b31eaacc4e6ee4966cd23420f48be5bc8c90f40c177c49e306d54b33071eeb2502a9bd04b4285530efbcb4dc5c05bfd2bb5d3f",
"2": "042c2215c8836febbd50a12dd1d1586c79a1b83f6f7bf36340059eba62ee7fe759aa46209a8afaaf2a96f43e47d25cee39eeff3577e704baebeff940deef5092b4"
},
"compressedPublicKeys": {
"1": "033acc264e3c10c01417a871b0f5b31eaacc4e6ee4966cd23420f48be5bc8c90f4",
"2": "022c2215c8836febbd50a12dd1d1586c79a1b83f6f7bf36340059eba62ee7fe759"
},
"etherAddresses": {
"1": "0x80aB6122F717874B4125d23440548B67eef21936",
"2": "0x78A0AFF76C8276d3108c20Cbf6249748E528b26c"
}
}
```

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11 changes: 10 additions & 1 deletion halo/commands.js
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Expand Up @@ -52,7 +52,16 @@ async function cmdGetPkeys(options, args) {
let resp = await options.exec(payload);
let res = Buffer.from(resp.result, "hex");

return {"publicKeys": parsePublicKeys(res)};
let publicKeys = parsePublicKeys(res);
let compressedPublicKeys = {};
let etherAddresses = {};

for (let pkNo of Object.keys(publicKeys)) {
compressedPublicKeys[pkNo] = ec.keyFromPublic(publicKeys[pkNo], 'hex').getPublic().encodeCompressed('hex');
etherAddresses[pkNo] = ethers.utils.computeAddress('0x' + publicKeys[pkNo]);
}

return {publicKeys, compressedPublicKeys, etherAddresses};
}

async function cmdSign(options, args) {
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