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--- | ||
"@ckb-ccc/core": patch | ||
--- | ||
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feat(core): ckb proxy locks |
233 changes: 233 additions & 0 deletions
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packages/demo/src/app/connected/(tools)/TimeLockedTransfer/page.tsx
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"use client"; | ||
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import React, { useEffect, useState, useCallback } from "react"; | ||
import { TextInput } from "@/src/components/Input"; | ||
import { Button } from "@/src/components/Button"; | ||
import { ccc } from "@ckb-ccc/connector-react"; | ||
import { useGetExplorerLink } from "@/src/utils"; | ||
import { useApp } from "@/src/context"; | ||
import { ButtonsPanel } from "@/src/components/ButtonsPanel"; | ||
import { BigButton } from "@/src/components/BigButton"; | ||
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function ClaimButton({ cell, lock }: { cell: ccc.Cell; lock: ccc.Script }) { | ||
const { signer, createSender } = useApp(); | ||
const { log, error } = createSender("Claim Time Locked"); | ||
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const { explorerTransaction } = useGetExplorerLink(); | ||
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return ( | ||
<BigButton | ||
key={ccc.hexFrom(cell.outPoint.toBytes())} | ||
size="sm" | ||
iconName="Clock" | ||
onClick={() => { | ||
if (!signer) { | ||
return; | ||
} | ||
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(async () => { | ||
const toAddress = await signer.getRecommendedAddressObj(); | ||
const { value: ownerCell, done } = await signer.client | ||
.findCells( | ||
{ | ||
script: lock, | ||
scriptSearchMode: "exact", | ||
scriptType: "lock", | ||
filter: { | ||
scriptLenRange: [0, 1], | ||
outputDataLenRange: [0, 1], | ||
}, | ||
withData: true, | ||
}, | ||
undefined, | ||
1, | ||
) | ||
.next(); | ||
if (done) { | ||
error( | ||
"A existed owner cell from", | ||
ccc.Address.fromScript(lock, signer.client).toString(), | ||
"is required", | ||
); | ||
return; | ||
} | ||
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const tx = ccc.Transaction.from({ | ||
inputs: [ | ||
{ | ||
previousOutput: ownerCell.outPoint, | ||
cellOutput: ownerCell.cellOutput, | ||
outputData: ownerCell.outputData, | ||
}, | ||
{ | ||
previousOutput: cell.outPoint, | ||
since: ccc.numFromBytes( | ||
ccc.bytesFrom(cell.cellOutput.lock.args).slice(32, 40), | ||
), | ||
cellOutput: cell.cellOutput, | ||
outputData: cell.outputData, | ||
}, | ||
], | ||
outputs: [{ lock: toAddress.script }], | ||
}); | ||
console.log( | ||
tx.inputs[1].since, | ||
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ccc.bytesFrom(cell.cellOutput.lock.args).slice(32, 40), | ||
); | ||
await tx.addCellDepsOfKnownScripts( | ||
signer.client, | ||
ccc.KnownScript.TimeLock, | ||
); | ||
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await tx.completeInputsByCapacity(signer); | ||
await tx.completeFeeChangeToOutput(signer, 0, 1000); | ||
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log( | ||
"Transaction sent:", | ||
explorerTransaction(await signer.sendTransaction(tx)), | ||
); | ||
})(); | ||
}} | ||
className="align-center text-yellow-400" | ||
> | ||
{ccc.fixedPointToString( | ||
(cell.cellOutput.capacity / ccc.fixedPointFrom("0.01")) * | ||
ccc.fixedPointFrom("0.01"), | ||
)} | ||
<span className="-mt-2 text-xs">CKB</span> | ||
</BigButton> | ||
); | ||
} | ||
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export default function TimeLockedTransfer() { | ||
const { signer, createSender } = useApp(); | ||
const { log, error } = createSender("Time Locked Transfer"); | ||
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const { explorerTransaction } = useGetExplorerLink(); | ||
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const [transferTo, setTransferTo] = useState<string>(""); | ||
const [amount, setAmount] = useState<string>(""); | ||
const [lockedForBlocks, setLockedForBlocks] = useState<string>(""); | ||
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const [liveTimeLockCells, setLiveTimeLockCells] = useState< | ||
{ cell: ccc.Cell; lock: ccc.Script }[] | ||
>([]); | ||
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const handleTimeLockedTransfer = useCallback(async () => { | ||
if (!signer) { | ||
return; | ||
} | ||
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// Verify destination addresses | ||
const toAddress = await ccc.Address.fromString(transferTo, signer.client); | ||
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const tip = await signer.client.getTip(); | ||
const lockedUntil = ccc.Since.from({ | ||
relative: "absolute", | ||
metric: "blockNumber", | ||
value: tip + ccc.numFrom(lockedForBlocks), | ||
}); | ||
const timeLockScript = await ccc.Script.fromKnownScript( | ||
signer.client, | ||
ccc.KnownScript.TimeLock, | ||
buildTimeLockArgs(toAddress.script.hash(), lockedUntil.toNum()), | ||
); | ||
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const tx = ccc.Transaction.from({ | ||
outputs: [{ lock: timeLockScript }], | ||
}); | ||
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const minimumCapacity = tx.getOutputsCapacity(); | ||
if (minimumCapacity > ccc.fixedPointFrom(amount)) { | ||
error("Insufficient capacity to store data"); | ||
return; | ||
} | ||
tx.outputs[0].capacity = ccc.fixedPointFrom(amount); | ||
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// Complete missing parts for transaction | ||
await tx.completeInputsByCapacity(signer); | ||
await tx.completeFeeBy(signer, 1000); | ||
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log( | ||
"Transaction sent:", | ||
explorerTransaction(await signer.sendTransaction(tx)), | ||
); | ||
}, [ | ||
signer, | ||
amount, | ||
error, | ||
explorerTransaction, | ||
lockedForBlocks, | ||
log, | ||
transferTo, | ||
]); | ||
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useEffect(() => { | ||
if (!signer) { | ||
return; | ||
} | ||
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(async () => { | ||
const cells = []; | ||
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for await (const { script: lock } of await signer.getAddressObjs()) { | ||
for await (const cell of signer.client.findCells({ | ||
script: await ccc.Script.fromKnownScript( | ||
signer.client, | ||
ccc.KnownScript.TimeLock, | ||
lock.hash(), | ||
), | ||
scriptType: "lock", | ||
scriptSearchMode: "prefix", | ||
})) { | ||
cells.push({ cell, lock }); | ||
} | ||
} | ||
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setLiveTimeLockCells(cells); | ||
})(); | ||
}, [signer]); | ||
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return ( | ||
<div className="flex w-full flex-col items-stretch"> | ||
<TextInput | ||
label="Address" | ||
placeholder="Receiver address" | ||
state={[transferTo, setTransferTo]} | ||
/> | ||
<TextInput | ||
label="Amount" | ||
placeholder="Amount to lock" | ||
state={[amount, setAmount]} | ||
/> | ||
<TextInput | ||
label="Locked for N Blocks" | ||
placeholder="Can be claimed after N new blocks" | ||
state={[lockedForBlocks, setLockedForBlocks]} | ||
/> | ||
<div className="mt-4 flex flex-wrap justify-center gap-2"> | ||
{liveTimeLockCells.map(({ cell, lock }) => ( | ||
<ClaimButton | ||
key={ccc.hexFrom(cell.outPoint.toBytes())} | ||
cell={cell} | ||
lock={lock} | ||
/> | ||
))} | ||
</div> | ||
<ButtonsPanel> | ||
<Button className="ml-2" onClick={handleTimeLockedTransfer}> | ||
Lock | ||
</Button> | ||
</ButtonsPanel> | ||
</div> | ||
); | ||
} | ||
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function buildTimeLockArgs( | ||
requiredScriptHash: ccc.HexLike, | ||
lockedUntil: ccc.NumLike, | ||
) { | ||
const lockedUntilBytes8 = ccc.numToBytes(lockedUntil, 8); | ||
return ccc.bytesConcat(requiredScriptHash, lockedUntilBytes8); | ||
} |
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