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docs: add examples for querying and listening to events from specific…
… addresses
  • Loading branch information
chainide-agent-bob committed Apr 8, 2025
commit 687dfe2af3ce5e8cc1e661976da3ecb7e4e6a301
35 changes: 35 additions & 0 deletions docs.wrm/getting-started.wrm
Original file line number Diff line number Diff line change
Expand Up @@ -425,6 +425,22 @@ _code: listen for ERC-20 events @lang<script>
// `to` will always be equal to the address of "ethers.eth"
});

// Listen for any Transfer from a specific address
fromAddress = "0x123..."; // Replace with actual address
filter = contract.filters.Transfer(fromAddress, null)
contract.on(filter, (from, to, amount, event) => {
// `from` will always be equal to fromAddress
console.log(`Transfer from ${from} to ${to}: ${formatEther(amount)}`);
});

// Listen for any Transfer from a specific address to a specific address
toAddress = "0x456..."; // Replace with actual address
filter = contract.filters.Transfer(fromAddress, toAddress)
contract.on(filter, (from, to, amount, event) => {
// Both `from` and `to` will be fixed
console.log(`Transfer from ${from} to ${to}: ${formatEther(amount)}`);
});

// Listen for any event, whether it is present in the ABI
// or not. Since unknown events can be picked up, the
// parameters are not destructed.
Expand Down Expand Up @@ -470,6 +486,25 @@ _code: query historic ERC-20 events @lang<javascript>
events[0]
//_result:

// Query all transfers sent from a specific address
fromAddress = "0x123..."; // Replace with actual address
filter = contract.filters.Transfer(fromAddress, null)
events = await contract.queryFilter(filter)

// The first matching event
events[0]
//_result:

// Query all transfers sent from a specific address in the last 1000 blocks
events = await contract.queryFilter(filter, -1000)
//_result:

// Query all transfers sent from a specific address to a specific address
toAddress = "0x456..."; // Replace with actual address
filter = contract.filters.Transfer(fromAddress, toAddress)
events = await contract.queryFilter(filter)
//_result:


_subsection: Signing Messages @<starting-signing>

Expand Down