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Create addresses module

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This commit is contained in:
Simon Warta 2021-03-22 18:02:54 +01:00
parent 42e2fdb32c
commit 1a533fc24d
5 changed files with 131 additions and 123 deletions
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91
packages/amino/src/addresses.spec.ts Normal file
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@ -0,0 +1,91 @@
import { Bech32, fromHex, toBase64 } from "@cosmjs/encoding";
import { pubkeyToAddress, pubkeyToRawAddress } from "./addresses";
import { decodeBech32Pubkey } from "./encoding";
import { MultisigThresholdPubkey } from "./pubkeys";
describe("addresses", () => {
describe("pubkeyToRawAddress", () => {
it("works for Secp256k1", () => {
const pubkey = {
type: "tendermint/PubKeySecp256k1",
value: "AtQaCqFnshaZQp6rIkvAPyzThvCvXSDO+9AzbxVErqJP",
};
expect(pubkeyToRawAddress(pubkey)).toEqual(
Bech32.decode("cosmos1h806c7khnvmjlywdrkdgk2vrayy2mmvf9rxk2r").data,
);
});
it("works for Ed25519", () => {
const pubkey = {
type: "tendermint/PubKeyEd25519",
value: toBase64(fromHex("12ee6f581fe55673a1e9e1382a0829e32075a0aa4763c968bc526e1852e78c95")),
};
expect(pubkeyToRawAddress(pubkey)).toEqual(
Bech32.decode("cosmos1pfq05em6sfkls66ut4m2257p7qwlk448h8mysz").data,
);
});
it("works for multisig", () => {
const test1 = decodeBech32Pubkey(
"wasmpub1addwnpepqwxttx8w2sfs6d8cuzqcuau84grp8xsw95qzdjkmvc44tnckskdxw3zw2km",
);
const test2 = decodeBech32Pubkey(
"wasmpub1addwnpepq2gx7x7e29kge5a4ycunytyqr0u8ynql5h583s8r9wdads9m3v8ks6y0nhc",
);
const test3 = decodeBech32Pubkey(
"wasmpub1addwnpepq0xfx5vavxmgdkn0p6x0l9p3udttghu3qcldd7ql08wa3xy93qq0xuzvtxc",
);
const testgroup1: MultisigThresholdPubkey = {
type: "tendermint/PubKeyMultisigThreshold",
value: {
threshold: "2",
pubkeys: [test1, test2, test3],
},
};
expect(pubkeyToRawAddress(testgroup1)).toEqual(fromHex("0892a77fab2fa7e192c3b7b2741e6682f3abb72f"));
});
});
describe("pubkeyToAddress", () => {
it("works for Secp256k1", () => {
const prefix = "cosmos";
const pubkey = {
type: "tendermint/PubKeySecp256k1",
value: "AtQaCqFnshaZQp6rIkvAPyzThvCvXSDO+9AzbxVErqJP",
};
expect(pubkeyToAddress(pubkey, prefix)).toEqual("cosmos1h806c7khnvmjlywdrkdgk2vrayy2mmvf9rxk2r");
});
it("works for Ed25519", () => {
const prefix = "cosmos";
const pubkey = {
type: "tendermint/PubKeyEd25519",
value: toBase64(fromHex("12ee6f581fe55673a1e9e1382a0829e32075a0aa4763c968bc526e1852e78c95")),
};
expect(pubkeyToAddress(pubkey, prefix)).toEqual("cosmos1pfq05em6sfkls66ut4m2257p7qwlk448h8mysz");
});
it("works for multisig", () => {
const test1 = decodeBech32Pubkey(
"wasmpub1addwnpepqwxttx8w2sfs6d8cuzqcuau84grp8xsw95qzdjkmvc44tnckskdxw3zw2km",
);
const test2 = decodeBech32Pubkey(
"wasmpub1addwnpepq2gx7x7e29kge5a4ycunytyqr0u8ynql5h583s8r9wdads9m3v8ks6y0nhc",
);
const test3 = decodeBech32Pubkey(
"wasmpub1addwnpepq0xfx5vavxmgdkn0p6x0l9p3udttghu3qcldd7ql08wa3xy93qq0xuzvtxc",
);
const testgroup1: MultisigThresholdPubkey = {
type: "tendermint/PubKeyMultisigThreshold",
value: {
threshold: "2",
pubkeys: [test1, test2, test3],
},
};
expect(pubkeyToAddress(testgroup1, "wasm")).toEqual("wasm1pzf2wlat97n7rykrk7e8g8nxste6hde0r8jqsy");
});
});
});

38
packages/amino/src/addresses.ts Normal file
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@ -0,0 +1,38 @@
// See https://github.com/tendermint/tendermint/blob/f2ada0a604b4c0763bda2f64fac53d506d3beca7/docs/spec/blockchain/encoding.md#public-key-cryptography
import { ripemd160, sha256 } from "@cosmjs/crypto";
import { Bech32, fromBase64 } from "@cosmjs/encoding";
import { encodeAminoPubkey } from "./encoding";
import { isEd25519Pubkey, isMultisigThresholdPubkey, isSecp256k1Pubkey, Pubkey } from "./pubkeys";
export function rawSecp256k1PubkeyToRawAddress(pubkeyData: Uint8Array): Uint8Array {
if (pubkeyData.length !== 33) {
throw new Error(`Invalid Secp256k1 pubkey length (compressed): ${pubkeyData.length}`);
}
return ripemd160(sha256(pubkeyData));
}
// For secp256k1 this assumes we already have a compressed pubkey.
export function pubkeyToRawAddress(pubkey: Pubkey): Uint8Array {
if (isSecp256k1Pubkey(pubkey)) {
const pubkeyData = fromBase64(pubkey.value);
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);
} else if (isMultisigThresholdPubkey(pubkey)) {
// https://github.com/tendermint/tendermint/blob/38b401657e4ad7a7eeb3c30a3cbf512037df3740/crypto/multisig/threshold_pubkey.go#L71-L74
const pubkeyData = encodeAminoPubkey(pubkey);
return sha256(pubkeyData).slice(0, 20);
} else {
throw new Error("Unsupported public key type");
}
}
export function pubkeyToAddress(pubkey: Pubkey, prefix: string): string {
return Bech32.encode(prefix, pubkeyToRawAddress(pubkey));
}

88
packages/amino/src/encoding.spec.ts
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@ -1,4 +1,4 @@
import { Bech32, fromBase64, fromHex, toBase64 } from "@cosmjs/encoding";
import { Bech32, fromBase64 } from "@cosmjs/encoding";
import {
decodeAminoPubkey,
@ -6,8 +6,6 @@ import {
encodeAminoPubkey,
encodeBech32Pubkey,
encodeSecp256k1Pubkey,
pubkeyToAddress,
pubkeyToRawAddress,
} from "./encoding";
import { MultisigThresholdPubkey, Pubkey } from "./pubkeys";
@ -220,88 +218,4 @@ describe("encoding", () => {
expect(encodeAminoPubkey(testgroup4)).toEqual(expected4);
});
});
describe("pubkeyToRawAddress", () => {
it("works for Secp256k1", () => {
const pubkey = {
type: "tendermint/PubKeySecp256k1",
value: "AtQaCqFnshaZQp6rIkvAPyzThvCvXSDO+9AzbxVErqJP",
};
expect(pubkeyToRawAddress(pubkey)).toEqual(
Bech32.decode("cosmos1h806c7khnvmjlywdrkdgk2vrayy2mmvf9rxk2r").data,
);
});
it("works for Ed25519", () => {
const pubkey = {
type: "tendermint/PubKeyEd25519",
value: toBase64(fromHex("12ee6f581fe55673a1e9e1382a0829e32075a0aa4763c968bc526e1852e78c95")),
};
expect(pubkeyToRawAddress(pubkey)).toEqual(
Bech32.decode("cosmos1pfq05em6sfkls66ut4m2257p7qwlk448h8mysz").data,
);
});
it("works for multisig", () => {
const test1 = decodeBech32Pubkey(
"wasmpub1addwnpepqwxttx8w2sfs6d8cuzqcuau84grp8xsw95qzdjkmvc44tnckskdxw3zw2km",
);
const test2 = decodeBech32Pubkey(
"wasmpub1addwnpepq2gx7x7e29kge5a4ycunytyqr0u8ynql5h583s8r9wdads9m3v8ks6y0nhc",
);
const test3 = decodeBech32Pubkey(
"wasmpub1addwnpepq0xfx5vavxmgdkn0p6x0l9p3udttghu3qcldd7ql08wa3xy93qq0xuzvtxc",
);
const testgroup1: MultisigThresholdPubkey = {
type: "tendermint/PubKeyMultisigThreshold",
value: {
threshold: "2",
pubkeys: [test1, test2, test3],
},
};
expect(pubkeyToRawAddress(testgroup1)).toEqual(fromHex("0892a77fab2fa7e192c3b7b2741e6682f3abb72f"));
});
});
describe("pubkeyToAddress", () => {
it("works for Secp256k1", () => {
const prefix = "cosmos";
const pubkey = {
type: "tendermint/PubKeySecp256k1",
value: "AtQaCqFnshaZQp6rIkvAPyzThvCvXSDO+9AzbxVErqJP",
};
expect(pubkeyToAddress(pubkey, prefix)).toEqual("cosmos1h806c7khnvmjlywdrkdgk2vrayy2mmvf9rxk2r");
});
it("works for Ed25519", () => {
const prefix = "cosmos";
const pubkey = {
type: "tendermint/PubKeyEd25519",
value: toBase64(fromHex("12ee6f581fe55673a1e9e1382a0829e32075a0aa4763c968bc526e1852e78c95")),
};
expect(pubkeyToAddress(pubkey, prefix)).toEqual("cosmos1pfq05em6sfkls66ut4m2257p7qwlk448h8mysz");
});
it("works for multisig", () => {
const test1 = decodeBech32Pubkey(
"wasmpub1addwnpepqwxttx8w2sfs6d8cuzqcuau84grp8xsw95qzdjkmvc44tnckskdxw3zw2km",
);
const test2 = decodeBech32Pubkey(
"wasmpub1addwnpepq2gx7x7e29kge5a4ycunytyqr0u8ynql5h583s8r9wdads9m3v8ks6y0nhc",
);
const test3 = decodeBech32Pubkey(
"wasmpub1addwnpepq0xfx5vavxmgdkn0p6x0l9p3udttghu3qcldd7ql08wa3xy93qq0xuzvtxc",
);
const testgroup1: MultisigThresholdPubkey = {
type: "tendermint/PubKeyMultisigThreshold",
value: {
threshold: "2",
pubkeys: [test1, test2, test3],
},
};
expect(pubkeyToAddress(testgroup1, "wasm")).toEqual("wasm1pzf2wlat97n7rykrk7e8g8nxste6hde0r8jqsy");
});
});
});

33
packages/amino/src/encoding.ts
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@ -1,4 +1,3 @@
import { ripemd160, sha256 } from "@cosmjs/crypto";
import { Bech32, fromBase64, fromHex, toBase64, toHex } from "@cosmjs/encoding";
import { Uint53 } from "@cosmjs/math";
import { arrayContentStartsWith } from "@cosmjs/utils";
@ -117,38 +116,6 @@ export function encodeAminoPubkey(pubkey: Pubkey): Uint8Array {
}
}
export function rawSecp256k1PubkeyToRawAddress(pubkeyData: Uint8Array): Uint8Array {
if (pubkeyData.length !== 33) {
throw new Error(`Invalid Secp256k1 pubkey length (compressed): ${pubkeyData.length}`);
}
return ripemd160(sha256(pubkeyData));
}
// See https://github.com/tendermint/tendermint/blob/f2ada0a604b4c0763bda2f64fac53d506d3beca7/docs/spec/blockchain/encoding.md#public-key-cryptography
// For secp256k1 this assumes we already have a compressed pubkey.
export function pubkeyToRawAddress(pubkey: Pubkey): Uint8Array {
if (isSecp256k1Pubkey(pubkey)) {
const pubkeyData = fromBase64(pubkey.value);
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);
} else if (isMultisigThresholdPubkey(pubkey)) {
// https://github.com/tendermint/tendermint/blob/38b401657e4ad7a7eeb3c30a3cbf512037df3740/crypto/multisig/threshold_pubkey.go#L71-L74
const pubkeyData = encodeAminoPubkey(pubkey);
return sha256(pubkeyData).slice(0, 20);
} else {
throw new Error("Unsupported public key type");
}
}
export function pubkeyToAddress(pubkey: Pubkey, prefix: string): string {
return Bech32.encode(prefix, pubkeyToRawAddress(pubkey));
}
/**
* Encodes a public key to binary Amino and then to bech32.
*

4
packages/amino/src/index.ts
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@ -1,12 +1,10 @@
export { pubkeyToAddress, pubkeyToRawAddress, rawSecp256k1PubkeyToRawAddress } from "./addresses";
export {
decodeAminoPubkey,
decodeBech32Pubkey,
encodeAminoPubkey,
encodeBech32Pubkey,
encodeSecp256k1Pubkey,
pubkeyToAddress,
pubkeyToRawAddress,
rawSecp256k1PubkeyToRawAddress,
} from "./encoding";
export {
MultisigThresholdPubkey,