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voucherIntercept

A builder function that intercepts and modifies a voucher.

This function is useful for debugging, logging, or making modifications to the transaction data. The voucher contains all the transaction details in their final form.

Import​

You can import the entire package and access the function:


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import * as fcl from "@onflow/fcl"
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fcl.voucherIntercept(fn)

Or import directly the specific function:


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import { voucherIntercept } from "@onflow/fcl"
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voucherIntercept(fn)

Usage​


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import * as fcl from "@onflow/fcl";
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// Intercept voucher for logging
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await fcl.send([
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fcl.transaction`
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transaction {
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prepare(account: AuthAccount) {
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log("Transaction executed")
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}
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}
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`,
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fcl.voucherIntercept((voucher) => {
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console.log("Voucher details:", {
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cadence: voucher.cadence,
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proposalKey: voucher.proposalKey,
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payer: voucher.payer,
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authorizers: voucher.authorizers,
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computeLimit: voucher.computeLimit
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});
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}),
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fcl.proposer(fcl.authz),
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fcl.payer(fcl.authz),
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fcl.authorizations([fcl.authz])
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]);

Parameters​

fn​

  • Type:

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type VoucherInterceptFn = (voucher: Voucher) => any | Promise<any>

  • Description: The function to intercept and potentially modify the voucher

Returns​


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export type InteractionBuilderFn = (
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ix: Interaction
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) => Interaction | Promise<Interaction>

A function that processes an interaction object

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