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Show ClaimQR-code as scale-encoded hex-string (#190)
* scale-enccode claim qr codes * [JS] add unit-tests that show that basic encode/decode works * [JS] fix decoding of scanned claim * [scanClaimQrCode] fix handling of decoded `ClaimOfAttendance` * [scanClaimQrCode] show a snackbar if the qr-code could not be decoded. * remove/fix obsolete comments * fix: revert gesell-dev address to 10.0.2.2
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,45 @@ | ||
| import { u8aToU8a } from '@polkadot/util'; | ||
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|
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| /** | ||
| * Decode given data into type. The type must be registered in the api's type registry. | ||
| * | ||
| * Data can be either a hex-string or a Uint8Array. If the json-representation is passed, this function is a no-op. | ||
| * | ||
| * @param {string} type | ||
| * @param {unknown} data | ||
| */ | ||
| export async function decode (type, data) { | ||
| return api.createType(type, u8aToU8a(data)); | ||
| } | ||
|
|
||
| /** | ||
| * Encode the given object of type to a Uint8Array. The type must be registered in the api's type registry. | ||
| * | ||
| * Most likely, the object will be a hex-string or json-representation of the object. If a Uint8Array is passed, this | ||
| * function is a no-op. | ||
| * | ||
| * @param {string} type | ||
| * @param {unknown} object | ||
| */ | ||
| export async function encode (type, object) { | ||
| return api.createType(type, object).toU8a(); | ||
| } | ||
|
|
||
| /** | ||
| * Encode the given object of type to a hex-string. The type must be registered in the api's type registry. | ||
| * | ||
| * Most likely, the object will be a Uint8Array or json-representation of the object. If a hex-string is passed, this | ||
| * function is a no-op. | ||
| * | ||
| * @param {string} type | ||
| * @param {unknown} object | ||
| */ | ||
| export async function encodeToHex (type, object) { | ||
| return api.createType(type, object).toHex(); | ||
| } | ||
|
|
||
| export default { | ||
| decode, | ||
| encode, | ||
| encodeToHex | ||
| }; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,90 @@ | ||
| /** | ||
| * @jest-environment jsdom | ||
| */ | ||
|
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| import '../../src'; | ||
| import { | ||
| _signClaimOfAttendance | ||
| } from '../../src/service/encointer'; | ||
| import { localDockerNetwork } from '../testUtils/networks'; | ||
| import { beforeAll, describe, it, jest } from '@jest/globals'; | ||
| import { testSetup } from '../testUtils/testSetup'; | ||
| import { Keyring } from '@polkadot/api'; | ||
| import { decode, encode } from '../../src/service/scale-codec'; | ||
|
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| describe('scale-codec', () => { | ||
| const network = localDockerNetwork(); | ||
| let keyring; | ||
|
|
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| const testClaim = { | ||
| claimant_public: '5GrwvaEF5zXb26Fz9rcQpDWS57CtERHpNehXCPcNoHGKutQY', | ||
| ceremony_index: 63, | ||
| community_identifier: '0x22c51e6a656b19dd1e34c6126a75b8af02b38eedbeec51865063f142c83d40d3', | ||
| meetup_index: 1, | ||
| location: { | ||
| lat: '0x00000000000000237bf1ac299e7e0000', | ||
| lon: '0x00000000000000128b26000000000000' | ||
| }, | ||
| timestamp: 1638441840000, | ||
| number_of_participants_confirmed: 3, | ||
| signature: null | ||
| }; | ||
|
|
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| beforeAll(async () => { | ||
| jest.setTimeout(90000); | ||
|
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| await testSetup(network); | ||
| keyring = new Keyring({ type: 'sr25519' }); | ||
| }); | ||
|
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| describe('encode', () => { | ||
| it('works correctly', async () => { | ||
| const claimant = keyring.addFromUri('//Alice', { name: 'Alice default' }); | ||
|
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| const claimSigned = await _signClaimOfAttendance(claimant, testClaim); | ||
|
|
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| expect( | ||
| await encode('ClaimOfAttendance', claimSigned) | ||
| ).toStrictEqual(claimSigned.toU8a()); | ||
| }); | ||
| }); | ||
|
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| describe('decode', () => { | ||
| it('works correctly', async () => { | ||
| const claimant = keyring.addFromUri('//Alice', { name: 'Alice default' }); | ||
|
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| const claimSigned = await _signClaimOfAttendance(claimant, testClaim); | ||
|
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| expect( | ||
| await decode('ClaimOfAttendance', claimSigned.toU8a()) | ||
| ).toStrictEqual(claimSigned); | ||
| }); | ||
|
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| it('can parse data from wallet when scanning the qr code', async () => { | ||
| // data which is encoded and displayed on cellphone 1. | ||
| const walletClaim = { | ||
| claimant_public: '5GrwvaEF5zXb26Fz9rcQpDWS57CtERHpNehXCPcNoHGKutQY', | ||
| ceremony_index: 2, | ||
| community_identifier: '0x2cbd65a5f087b3d60aec997e6369ef694f125582f5f7cffd7bbddc56a71858fc', | ||
| meetup_index: 1, | ||
| location: { | ||
| lat: '0x00000000000000237bf1ac299e7e0000', | ||
| lon: '0x00000000000000128b26000000000000' | ||
| }, | ||
| timestamp: 1638441840000, | ||
| number_of_participants_confirmed: 3, | ||
| signature: { | ||
| sr25519: '0xf03d063bfdf951438bf48ba74623c8c3689625c7ddcfc73e8600ed459b8d483e2d45d0b7e4dff69a05467251a45a48ac7e66f04803b1f8db5407a4f4fcf4968b' | ||
| } | ||
| }; | ||
|
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| // Bytes scanned by cellphone when scanning above claim | ||
| const walletData = | ||
| [212, 53, 147, 199, 21, 253, 211, 28, 97, 20, 26, 189, 4, 169, 159, 214, 130, 44, 133, 88, 133, 76, 205, 227, 154, 86, 132, 231, 165, 109, 162, 125, 2, 0, 0, 0, 44, 189, 101, 165, 240, 135, 179, 214, 10, 236, 153, 126, 99, 105, 239, 105, 79, 18, 85, 130, 245, 247, 207, 253, 123, 189, 220, 86, 167, 24, 88, 252, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 126, 158, 41, 172, 241, 123, 35, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 38, 139, 18, 0, 0, 0, 0, 0, 0, 0, 128, 109, 190, 122, 125, 1, 0, 0, 3, 0, 0, 0, 1, 1, 240, 61, 6, 59, 253, 249, 81, 67, 139, 244, 139, 167, 70, 35, 200, 195, 104, 150, 37, 199, 221, 207, 199, 62, 134, 0, 237, 69, 155, 141, 72, 62, 45, 69, 208, 183, 228, 223, 246, 154, 5, 70, 114, 81, 164, 90, 72, 172, 126, 102, 240, 72, 3, 177, 248, 219, 84, 7, 164, 244, 252, 244, 150, 139]; | ||
|
|
||
| expect( | ||
| await decode('ClaimOfAttendance', walletData) | ||
| ).toStrictEqual(api.createType('ClaimOfAttendance', walletClaim)); | ||
| }); | ||
| }); | ||
| }); |
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