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joyid.ts
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joyid.ts
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import {
getJoyIDLockScript,
RSA2048_PUBKEY_SIG_LEN,
} from '@nervina-labs/joyid-sdk';
import { blockchain, bytes } from '@ckb-lumos/lumos/codec';
import { registerCustomLockScriptInfos } from '@ckb-lumos/lumos/common-scripts/common';
import {
WitnessArgs,
commons,
helpers,
Script,
Cell,
config,
} from '@ckb-lumos/lumos';
import { CKBComponents } from '@ckb-lumos/lumos/rpc';
import { sporeConfig } from './config';
export interface CellCollector {
collect(): AsyncIterable<Cell>;
}
export interface CellProvider {
uri?: string;
collector(queryOptions: CKBComponents.QueryOptions): CellCollector;
}
class JoyIDCellCollector {
readonly fromScript: Script;
private readonly cellCollector: CellCollector;
constructor(
fromAddr: string,
cellProvider: CellProvider,
{ queryOptions = {} }: { queryOptions: CKBComponents.QueryOptions },
) {
if (!cellProvider) {
throw new Error(
`cellProvider is required when collecting JoyID-related cells`,
);
}
this.fromScript = helpers.parseAddress(fromAddr);
queryOptions = {
...queryOptions,
lock: this.fromScript,
type: queryOptions.type || 'empty',
};
this.cellCollector = cellProvider.collector(queryOptions);
}
async *collect(): AsyncGenerator<Cell> {
for await (const inputCell of this.cellCollector.collect()) {
yield inputCell;
}
}
}
export function createJoyIDScriptInfo(): commons.LockScriptInfo {
return {
codeHash: getJoyIDLockScript().codeHash,
hashType: 'type',
lockScriptInfo: {
// @ts-ignore
CellCollector: JoyIDCellCollector,
// @ts-ignore data2 is not defined in joyid sdk
prepareSigningEntries: null,
async setupInputCell(txSkeleton, inputCell, _, options = {}) {
const template = getJoyIDLockScript();
const fromScript = inputCell.cellOutput.lock;
asserts(
bytes.equal(fromScript.codeHash, template.codeHash),
`The input script is not Unipass script`,
);
// add inputCell to txSkeleton
txSkeleton = txSkeleton.update('inputs', inputs =>
inputs.push(inputCell),
);
const output: Cell = {
cellOutput: {
capacity: inputCell.cellOutput.capacity,
lock: inputCell.cellOutput.lock,
type: inputCell.cellOutput.type,
},
data: inputCell.data,
};
txSkeleton = txSkeleton.update('outputs', outputs => {
return outputs.push(output);
});
const since = options.since;
if (since) {
txSkeleton = txSkeleton.update('inputSinces', inputSinces => {
return inputSinces.set(txSkeleton.get('inputs').size - 1, since);
});
}
txSkeleton = txSkeleton.update('witnesses', witnesses => {
return witnesses.push('0x');
});
if (!template) {
throw new Error(`UNIPASS script not defined in config!`);
}
// add cell dep
txSkeleton = helpers.addCellDep(txSkeleton, {
outPoint: {
txHash:
'0x4dcf3f3b09efac8995d6cbee87c5345e812d310094651e0c3d9a730f32dc9263',
index: '0x0',
},
depType: 'depGroup',
});
// add witness
/*
* Modify the skeleton, so the first witness of the fromAddress script group
* has a WitnessArgs construct with 85-byte zero filled values. While this
* is not required, it helps in transaction fee estimation.
*/
const firstIndex = txSkeleton
.get('inputs')
.findIndex(input =>
bytes.equal(
blockchain.Script.pack(input.cellOutput.lock),
blockchain.Script.pack(fromScript),
),
);
if (firstIndex !== -1) {
while (firstIndex >= txSkeleton.get('witnesses').size) {
txSkeleton = txSkeleton.update('witnesses', witnesses =>
witnesses.push('0x'),
);
}
let witness: string = txSkeleton.get('witnesses').get(firstIndex)!;
const newWitnessArgs: WitnessArgs = {
lock: bytes.hexify(new Uint8Array(RSA2048_PUBKEY_SIG_LEN)),
};
witness = bytes.hexify(blockchain.WitnessArgs.pack(newWitnessArgs));
txSkeleton = txSkeleton.update('witnesses', witnesses =>
witnesses.set(firstIndex, witness),
);
}
return txSkeleton;
},
},
};
}
function asserts(
condition: unknown,
message = 'Assert failed',
): asserts condition {
if (!condition) {
throw new Error(message);
}
}