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include fetchSupportedERC20TokensAndPaymasterMetadata method in pay g… #53

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merged 1 commit into from
May 4, 2025
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include fetchSupportedERC20TokensAndPaymasterMetadata method in pay g… #53

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43 changes: 24 additions & 19 deletions examples/SafeAccountExamples/CreateAccountAndSendTransactionUsingTokenPaymaster/src/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -80,26 +80,31 @@ async function main(): Promise<void> {
paymasterRPC,
)

userOperation = await paymaster.createTokenPaymasterUserOperation(
smartAccount,
userOperation,
paymasterTokenAddress,
bundlerUrl,
)
const tokensSupported = await paymaster.fetchSupportedERC20TokensAndPaymasterMetadata();
const tokenSelected = tokensSupported.tokens.find(token => token.address.toLocaleLowerCase() === paymasterTokenAddress.toLowerCase());

const cost = await paymaster.calculateUserOperationErc20TokenMaxGasCost(
userOperation,
paymasterTokenAddress
)
console.log("This useroperation may cost upto : " + cost + " wei in CTT token")
console.log(
"Please fund the sender account : " +
userOperation.sender +
" with more than "+ cost + " wei CTT token"
)
console.log("This example uses a Candide token paymaster.")
console.log("Please visit https://dashboard.candide.dev/ to get a token paymaster url.")
console.log("Please visit our Discord to get some CTT token for testing")
console.log("This example uses Candide Token Paymaster");
console.log("Please visit https://dashboard.candide.dev/ to get a Paymaster URL");
console.log("Visit our Discord to get some CTT token for testing");

if (tokenSelected) {
userOperation = await paymaster.createTokenPaymasterUserOperation(
smartAccount,
userOperation,
tokenSelected.address,
bundlerUrl,
)
const cost = await paymaster.calculateUserOperationErc20TokenMaxGasCost(
userOperation,
tokenSelected.address,
)
console.log("This useroperation may cost upto : " + cost + " wei in CTT token")
console.log(
"Please fund the sender account : " +
userOperation.sender +
" with more than " + cost + " wei CTT token"
)
}

//Safe is a multisig that can have multiple owners/signers
//signUserOperation will create a signature for the provided
Expand Down