LaconicNetwork/cosmjs-util
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amino: Add rawEd25519PubkeyToRawAddress helper

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This commit is contained in:
willclarktech 2021-04-06 18:21:19 +02:00
parent 980e33b8a3
commit 25e0ee4e18
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GPG Key ID: 551A86E2E398ADF7
2 changed files with 14 additions and 5 deletions
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12
packages/amino/src/addresses.ts
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@ -6,6 +6,13 @@ import { Bech32, fromBase64 } from "@cosmjs/encoding";
import { encodeAminoPubkey } from "./encoding";
import { isEd25519Pubkey, isMultisigThresholdPubkey, isSecp256k1Pubkey, Pubkey } from "./pubkeys";
export function rawEd25519PubkeyToRawAddress(pubkeyData: Uint8Array): Uint8Array {
if (pubkeyData.length !== 32) {
throw new Error(`Invalid Ed25519 pubkey length: ${pubkeyData.length}`);
}
return sha256(pubkeyData).slice(0, 20);
}
export function rawSecp256k1PubkeyToRawAddress(pubkeyData: Uint8Array): Uint8Array {
if (pubkeyData.length !== 33) {
throw new Error(`Invalid Secp256k1 pubkey length (compressed): ${pubkeyData.length}`);
@ -20,10 +27,7 @@ export function pubkeyToRawAddress(pubkey: Pubkey): Uint8Array {
return rawSecp256k1PubkeyToRawAddress(pubkeyData);
} else if (isEd25519Pubkey(pubkey)) {
const pubkeyData = fromBase64(pubkey.value);
if (pubkeyData.length !== 32) {
throw new Error(`Invalid Ed25519 pubkey length: ${pubkeyData.length}`);
}
return sha256(pubkeyData).slice(0, 20);
return rawEd25519PubkeyToRawAddress(pubkeyData);
} else if (isMultisigThresholdPubkey(pubkey)) {
// https://github.com/tendermint/tendermint/blob/38b401657e4ad7a7eeb3c30a3cbf512037df3740/crypto/multisig/threshold_pubkey.go#L71-L74
const pubkeyData = encodeAminoPubkey(pubkey);

7
packages/amino/src/index.ts
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@ -1,4 +1,9 @@
export { pubkeyToAddress, pubkeyToRawAddress, rawSecp256k1PubkeyToRawAddress } from "./addresses";
export {
pubkeyToAddress,
pubkeyToRawAddress,
rawEd25519PubkeyToRawAddress,
rawSecp256k1PubkeyToRawAddress,
} from "./addresses";
export { Coin, coin, coins, parseCoins } from "./coins";
export {
decodeAminoPubkey,