4c8b278c1d
* Create toBech32 and fromBech32 * Add changes to CHANGELOG.md * Fix linting * Update packages/encoding/src/bech32.ts Co-authored-by: Simon Warta <2603011+webmaster128@users.noreply.github.com> * Update CHANGELOG.md Co-authored-by: Simon Warta <2603011+webmaster128@users.noreply.github.com> * Update packages/encoding/src/bech32.ts Co-authored-by: Simon Warta <2603011+webmaster128@users.noreply.github.com> * Update bech32.ts Co-authored-by: Simon Warta <2603011+webmaster128@users.noreply.github.com>
75 lines
2.9 KiB
TypeScript
75 lines
2.9 KiB
TypeScript
import { fromBech32, toBech32 } from "./bech32";
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import { fromHex } from "./hex";
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describe("Bech32", () => {
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// test data generate using https://github.com/nym-zone/bech32
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// bech32 -e -h eth 9d4e856e572e442f0a4b2763e72d08a0e99d8ded
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const ethAddressRaw = fromHex("9d4e856e572e442f0a4b2763e72d08a0e99d8ded");
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describe("encode", () => {
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it("works", () => {
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expect(toBech32("eth", ethAddressRaw)).toEqual("eth1n48g2mjh9ezz7zjtya37wtgg5r5emr0drkwlgw");
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});
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it("works for very short data", () => {
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expect(() => toBech32("eth", new Uint8Array(1))).not.toThrow();
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});
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it("works for very long prefixes", () => {
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expect(() => toBech32("p".repeat(70), new Uint8Array(20))).toThrowError(/exceeds length limit/i);
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});
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// See https://github.com/bitcoin/bips/blob/master/bip-0173.mediawiki#Bech32
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it("works if result is 90 characters", () => {
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const result = toBech32("eth", new Uint8Array(50));
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expect(result.length).toEqual(90);
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});
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it("throws if result exceeds 90 characters", () => {
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expect(() => toBech32("eth", new Uint8Array(51))).toThrowError(/exceeds length limit/i);
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});
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it("works if a limit parameter is provided", () => {
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const limit = 1024;
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const result = toBech32("eth", new Uint8Array(51), limit);
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expect(result).toEqual(
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"eth1qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqug55er",
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);
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expect(result.length).toBeGreaterThan(90);
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});
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it("throws if result exceeds the provided limit parameter", () => {
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const limit = 10;
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expect(() => toBech32("eth", ethAddressRaw, limit)).toThrowError(/exceeds length limit/i);
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});
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});
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describe("decode", () => {
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it("works", () => {
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expect(fromBech32("eth1n48g2mjh9ezz7zjtya37wtgg5r5emr0drkwlgw")).toEqual({
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prefix: "eth",
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data: ethAddressRaw,
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});
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});
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it("works for addresses which exceed the specification limit of 90 characters", () => {
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// Example from https://github.com/cosmos/cosmos-sdk/pull/6237#issuecomment-658116534
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expect(() =>
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fromBech32(
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"cosmospub1ytql0csgqvfzd666axrjzqmn5q2ucztcyxw8hvlzen94ay05tegaerkug5pn3xn8wqdymt598ufzd666axrjzqsxllmwacap3f6xyc4x30jl8ecrcs2tze3zzgxkmthcsqxnqxhwwgfzd666axrjzqs2rlu3wz5gnslgpprszjr8r65n0d6y39q657th77eyvengtk3z0y6h2pnk",
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),
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).not.toThrow();
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});
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it("throws for addresses which exceed the specification limit of 90 characters if a limit is specified", () => {
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// Example from https://github.com/cosmos/cosmos-sdk/pull/6237#issuecomment-658116534
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expect(() =>
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fromBech32(
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"cosmospub1ytql0csgqvfzd666axrjzqmn5q2ucztcyxw8hvlzen94ay05tegaerkug5pn3xn8wqdymt598ufzd666axrjzqsxllmwacap3f6xyc4x30jl8ecrcs2tze3zzgxkmthcsqxnqxhwwgfzd666axrjzqs2rlu3wz5gnslgpprszjr8r65n0d6y39q657th77eyvengtk3z0y6h2pnk",
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90,
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),
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).toThrowError(/exceeds length limit/i);
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});
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});
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});
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