wallet-storage

<!doctype html> <html lang="en"> <head> <title>Code coverage report for src/signer/methods/createAction.ts</title> <meta charset="utf-8" /> <link rel="stylesheet" href="../../../prettify.css" /> <link rel="stylesheet" href="../../../base.css" /> <link rel="shortcut icon" type="image/x-icon" href="../../../favicon.png" /> <meta name="viewport" content="width=device-width, initial-scale=1" /> <style type='text/css'> .coverage-summary .sorter { background-image: url(../../../sort-arrow-sprite.png); } </style> </head> <body> <div class='wrapper'> <div class='pad1'> <h1><a href="../../../index.html">All files</a> / <a href="index.html">src/signer/methods</a> createAction.ts</h1> <div class='clearfix'> <div class='fl pad1y space-right2'> 84.03% Statements 100/119 </div> <div class='fl pad1y space-right2'> 62.26% Branches 33/53 </div> <div class='fl pad1y space-right2'> 100% Functions 15/15 </div> <div class='fl pad1y space-right2'> 82.88% Lines 92/111 </div> </div> Press n or j to go to the next uncovered block, b, p or k for the previous block. <template id="filterTemplate"> <div class="quiet"> Filter: <input type="search" id="fileSearch"> </div> </template> </div> <div class='status-line high'></div> <pre><table class="coverage"> <tr><td class="line-count quiet"><a name='L1'></a><a href='#L1'>1</a> <a name='L2'></a><a href='#L2'>2</a> <a name='L3'></a><a href='#L3'>3</a> <a name='L4'></a><a href='#L4'>4</a> <a name='L5'></a><a href='#L5'>5</a> <a name='L6'></a><a href='#L6'>6</a> <a name='L7'></a><a href='#L7'>7</a> <a name='L8'></a><a href='#L8'>8</a> <a name='L9'></a><a href='#L9'>9</a> <a name='L10'></a><a href='#L10'>10</a> <a name='L11'></a><a href='#L11'>11</a> <a name='L12'></a><a href='#L12'>12</a> <a name='L13'></a><a href='#L13'>13</a> <a name='L14'></a><a href='#L14'>14</a> <a name='L15'></a><a href='#L15'>15</a> <a name='L16'></a><a href='#L16'>16</a> <a name='L17'></a><a href='#L17'>17</a> <a name='L18'></a><a href='#L18'>18</a> <a name='L19'></a><a 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                    4x             4x 4x         4x 4x 4x 4x 4x 4x 4x 4x           4x   4x     7x 7x                       7x     57x     7x                   7x   7x                   7x         7x   7x             7x 7x 23x 14x   14x           7x 14x 14x 14x     14x   14x   14x         14x                 7x 7x 8x 8x   7x   7x         7x 7x   8x     1x 1x 1x           1x     7x     7x                 7x           7x 7x           14x 7x   7x              </td><td class="text"><pre class="prettyprint lang-js">import { CreateActionResult, SendWithResult, SignActionResult, SignActionSpend } from '@bsv/sdk' import { Script, Transaction, TransactionInput } from "@bsv/sdk" import { asBsvSdkScript, makeAtomicBeef, PendingSignAction, PendingStorageInput, ScriptTemplateSABPPP, sdk, verifyId, verifyTruthy, WalletSigner } from "../../index.client"   export async function createAction(signer: WalletSigner, auth: sdk.AuthId, vargs: sdk.ValidCreateActionArgs) : Promise<CreateActionResult> { const r: CreateActionResult = {} let prior: PendingSignAction | undefined = undefined   if (vargs.isNewTx) { prior = await createNewTx(signer, vargs)   if (vargs.isSignAction) { return makeSignableTransactionResult(prior, signer, vargs) }   prior.tx = await completeSignedTransaction(prior, {}, signer)   r.txid = prior.tx.id('hex') r.noSendChange = prior.dcr.noSendChangeOutputVouts?.map(vout => `${r.txid}.${vout}`) if (!vargs.options.returnTXIDOnly) r.tx = makeAtomicBeef(prior.tx, prior.dcr.inputBeef!) }   r.sendWithResults = await processAction(prior, signer, auth, vargs)   return r }   async function createNewTx(signer: WalletSigner, args: sdk.ValidCreateActionArgs) : Promise<PendingSignAction> { const storageArgs = removeUnlockScripts(args); const dcr = await signer.storage.createAction(storageArgs)   const reference = dcr.reference   const { tx, amount, pdi } = buildSignableTransaction(dcr, args, signer)   const prior: PendingSignAction = { reference, dcr, args, amount, tx, pdi }   return prior }   function makeSignableTransactionResult(prior: PendingSignAction, signer: WalletSigner, args: sdk.ValidCreateActionArgs) : CreateActionResult { Iif (!prior.dcr.inputBeef) throw new sdk.WERR_INTERNAL('prior.dcr.inputBeef must be valid')   const txid = prior.tx.id('hex')   const r: CreateActionResult = { noSendChange: args.isNoSend ? prior.dcr.noSendChangeOutputVouts?.map(vout => `${txid}.${vout}`) : undefined, signableTransaction: { reference: prior.dcr.reference, tx: makeAtomicBeef(prior.tx, prior.dcr.inputBeef) } }   signer.pendingSignActions[r.signableTransaction!.reference] = prior   return r }   /** * Derive a change output locking script */ function makeChangeLock( out: sdk.StorageCreateTransactionSdkOutput, dctr: sdk.StorageCreateActionResult, args: sdk.ValidCreateActionArgs, changeKeys: sdk.KeyPair, signer: WalletSigner) : Script { const derivationPrefix = dctr.derivationPrefix const derivationSuffix = verifyTruthy(out.derivationSuffix); const sabppp = new ScriptTemplateSABPPP({ derivationPrefix, derivationSuffix, keyDeriver: signer.keyDeriver }); const lockingScript = sabppp.lock(changeKeys.privateKey, changeKeys.publicKey) return lockingScript }   export async function completeSignedTransaction( prior: PendingSignAction, spends: Record<number, SignActionSpend>, signer: WalletSigner, ) : Promise<Transaction> {   ///////////////////// // Insert the user provided unlocking scripts from "spends" arg ///////////////////// for (const [key, spend] of Object.entries(spends)) { const vin = Number(key) const createInput = prior.args.inputs[vin] const input = prior.tx.inputs[vin] Iif (!createInput || !input || createInput.unlockingScript || !Number.isInteger(createInput.unlockingScriptLength)) throw new sdk.WERR_INVALID_PARAMETER('args', `spend does not correspond to prior input with valid unlockingScriptLength.`) Iif (spend.unlockingScript.length / 2 > createInput.unlockingScriptLength!) throw new sdk.WERR_INVALID_PARAMETER('args', `spend unlockingScript length ${spend.unlockingScript.length} exceeds expected length ${createInput.unlockingScriptLength}`) input.unlockingScript = asBsvSdkScript(spend.unlockingScript) Iif (spend.sequenceNumber !== undefined) input.sequence = spend.sequenceNumber }   const results = { sdk: <SignActionResult>{} }   ///////////////////// // Insert SABPPP unlock templates for storage signed inputs ///////////////////// for (const pdi of prior.pdi) { const sabppp = new ScriptTemplateSABPPP({ derivationPrefix: pdi.derivationPrefix, derivationSuffix: pdi.derivationSuffix, keyDeriver: signer.keyDeriver }) const keys = signer.getClientChangeKeyPair() const lockerPrivKey = keys.privateKey const unlockerPubKey = pdi.unlockerPubKey || keys.publicKey const sourceSatoshis = pdi.sourceSatoshis const lockingScript = asBsvSdkScript(pdi.lockingScript) const unlockTemplate = sabppp.unlock(lockerPrivKey, unlockerPubKey, sourceSatoshis, lockingScript) const input = prior.tx.inputs[pdi.vin] input.unlockingScriptTemplate = unlockTemplate }   ///////////////////// // Sign storage signed inputs making transaction fully valid. ///////////////////// await prior.tx.sign() return prior.tx } function removeUnlockScripts(args: sdk.ValidCreateActionArgs) { let storageArgs = args Iif (!storageArgs.inputs.every(i => i.unlockingScript === undefined)) { // Never send unlocking scripts to storage, all it needs is the script length. storageArgs = { ...args, inputs: [] }; for (const i of args.inputs) { const di: sdk.ValidCreateActionInput = { ...i, unlockingScriptLength: i.unlockingScript !== undefined ? i.unlockingScript.length : i.unlockingScriptLength }; delete di.unlockingScript; storageArgs.inputs.push(di); } } return storageArgs; }   export async function processAction(prior: PendingSignAction | undefined, signer: WalletSigner, auth: sdk.AuthId, vargs: sdk.ValidProcessActionArgs) : Promise<SendWithResult[] | undefined> { const args: sdk.StorageProcessActionArgs = { isNewTx: vargs.isNewTx, isSendWith: vargs.isSendWith, isNoSend: vargs.isNoSend, isDelayed: vargs.isDelayed, reference: prior ? prior.reference : undefined, txid: prior ? prior.tx.id('hex') : undefined, rawTx: prior ? prior.tx.toBinary() : undefined, sendWith: vargs.isSendWith ? vargs.options.sendWith : [], } const r: sdk.StorageProcessActionResults = await signer.storage.processAction(args)   return r.sendWithResults }   function buildSignableTransaction( dctr: sdk.StorageCreateActionResult, args: sdk.ValidCreateActionArgs, signer: WalletSigner ) : { tx: Transaction, amount: number, pdi: PendingStorageInput[], log: string } { const changeKeys = signer.getClientChangeKeyPair()   const { inputs: storageInputs, outputs: storageOutputs, } = dctr;   const tx = new Transaction(args.version, [], [], args.lockTime);   // The order of outputs in storageOutputs is always: // CreateActionArgs.outputs in the original order // Commission output // Change outputs // The Vout values will be randomized if args.options.randomizeOutputs is true. Default is true. const voutToIndex = Array<number>(storageOutputs.length) for (let vout = 0; vout < storageOutputs.length; vout++) { const i = storageOutputs.findIndex(o => o.vout === vout) Iif (i < 0) throw new sdk.WERR_INVALID_PARAMETER('output.vout', `sequential. ${vout} is missing`) voutToIndex[vout] = i }   ////////////// // Add OUTPUTS ///////////// for (let vout = 0; vout < storageOutputs.length; vout++) { const i = voutToIndex[vout] const out = storageOutputs[i] Iif (vout !== out.vout) throw new sdk.WERR_INVALID_PARAMETER('output.vout', `equal to array index. ${out.vout} !== ${vout}`)   const change = out.providedBy === 'storage' && out.purpose === 'change'   const lockingScript = change ? makeChangeLock(out, dctr, args, changeKeys, signer) : asBsvSdkScript(out.lockingScript)   const output = { satoshis: out.satoshis, lockingScript, change } tx.addOutput(output); }   ////////////// // Merge and sort INPUTS info by vin order. ///////////// const inputs: { argsInput: sdk.ValidCreateActionInput | undefined, storageInput: sdk.StorageCreateTransactionSdkInput, }[] = [] for (const storageInput of storageInputs) { const argsInput = (storageInput.vin !== undefined && storageInput.vin < args.inputs.length) ? args.inputs[storageInput.vin] : undefined inputs.push({ argsInput, storageInput }) } inputs.sort((a, b) => a.storageInput.vin! < b.storageInput.vin! ? -1 : a.storageInput.vin! === b.storageInput.vin! ? 0 : 1)   const pendingStorageInputs: PendingStorageInput[] = []   ////////////// // Add INPUTS ///////////// let totalChangeInputs = 0 for (const { storageInput, argsInput } of inputs) { // Two types of inputs are handled: user specified wth/without unlockingScript and storage specified using SABPPP template. if (argsInput) { // Type 1: User supplied input, with or without an explicit unlockingScript. // If without, signAction must be used to provide the actual unlockScript. const hasUnlock = typeof argsInput.unlockingScript === 'string' const unlock = hasUnlock ? asBsvSdkScript(argsInput.unlockingScript!) : new Script() const inputToAdd: TransactionInput = { sourceTXID: argsInput.outpoint.txid, sourceOutputIndex: argsInput.outpoint.vout, unlockingScript: unlock, sequence: argsInput.sequenceNumber }; tx.addInput(inputToAdd); } else { // Type2: SABPPP protocol inputs which are signed using ScriptTemplateSABPPP. Iif (storageInput.type !== 'P2PKH') throw new sdk.WERR_INVALID_PARAMETER('type', `vin ${storageInput.vin}, "${storageInput.type}" is not a supported unlocking script type.`);   pendingStorageInputs.push({ vin: tx.inputs.length, derivationPrefix: verifyTruthy(storageInput.derivationPrefix), derivationSuffix: verifyTruthy(storageInput.derivationSuffix), unlockerPubKey: storageInput.senderIdentityKey, sourceSatoshis: storageInput.sourceSatoshis, lockingScript: storageInput.sourceLockingScript })   const inputToAdd: TransactionInput = { sourceTXID: storageInput.sourceTxid, sourceOutputIndex: storageInput.sourceVout, unlockingScript: new Script(), sequence: 0xffffffff }; tx.addInput(inputToAdd); totalChangeInputs += verifyTruthy(storageInput.sourceSatoshis); } }   // The amount is the total of non-foreign inputs minus change outputs // Note that the amount can be negative when we are redeeming more inputs than we are spending const totalChangeOutputs = storageOutputs.filter(x => x.purpose === 'change').reduce((acc, el) => acc + el.satoshis, 0); const amount = totalChangeInputs - totalChangeOutputs;   return { tx, amount, pdi: pendingStorageInputs, log: '' }; }  </pre></td></tr></table></pre> <div class='push'></div> </div> <div class='footer quiet pad2 space-top1 center small'> Code coverage generated by <a href="https://istanbul.js.org/" target="_blank" rel="noopener noreferrer">istanbul</a> at 2025-01-25T12:31:58.489Z </div> <script src="../../../prettify.js"></script> <script> window.onload = function () { prettyPrint(); }; </script> <script src="../../../sorter.js"></script> <script src="../../../block-navigation.js"></script> </body> </html>