TokenOps
ReaduseQuery

useUnderlyingTokenAddress

Read the underlying TokenopsTestToken (TTT) address backing the CTTT wrapper.

Import
@tokenops/sdk/testnet-faucet/react
Return
{ data, isLoading, error, refetch }
Lifecycle
Read

Query Key

Faucet read hooks use the public constants TESTNET_FAUCET_KEY and TESTNET_FAUCET_NAMESPACE. The method segment for this hook is underlyingToken.

@tokenops/sdk/testnet-faucet/react
ts
queryKey: [
  "tokenops-sdk", // TESTNET_FAUCET_KEY
  "testnet-faucet", // TESTNET_FAUCET_NAMESPACE
  "underlyingToken",
  chainId ?? null,
  address ? address.toLowerCase() : null,
  // hook-specific args normalized: bigint -> decimal string, 0x strings -> lowercase
];

Description

Read the underlying TokenopsTestToken (TTT) address backing the CTTT wrapper. Resolution order inside the client: registry → the wrapper's own underlying() getter.

Signature

@tokenops/sdk/testnet-faucet/react
ts
function useUnderlyingTokenAddress(options?: BaseHookOptions): UseQueryResult<Address, Error>;
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Example

@tokenops/sdk/testnet-faucet/react · @example
tsx
const { data: tttAddress } = useUnderlyingTokenAddress();

Pulled directly from the hook's TSDoc block — the same snippet your IDE shows on hover.

See also

Other Read hooks in testnet faucet: