FDC Reference

Deployed Contracts

Flare Mainnet

Contract	Address	ABI
FdcHub	-	-
FdcVerification	-	-
FdcRequestFeeConfigurations	-	-
FdcInflationConfigurations	-	-

Flare Testnet Coston2

Contract	Address	ABI
FdcHub	0x48aC463d7975828989331F4De43341627b9c5f1D	ABI
FdcVerification	0x075bf301fF07C4920e5261f93a0609640F53487D	ABI
FdcRequestFeeConfigurations	0x191a1282Ac700edE65c5B0AaF313BAcC3eA7fC7e	ABI
FdcInflationConfigurations	0x5C670a6950111D6f38B0D7cAdEB58D534fd9D209	ABI

Songbird Canary-Network

Contract	Address	ABI
FdcHub	0xCfD4669a505A70c2cE85db8A1c1d14BcDE5a1a06	ABI
FdcVerification	0xd283afC5A67E2d4Bc700b5B640328Bda22450621	ABI
FdcRequestFeeConfigurations	0x8998a3b85350aA4CA5f55cD80ab1f7C9C0ddf02C	ABI
FdcInflationConfigurations	0x2766f9927748Ef59aeC95B4777CcF29a77d35191	ABI

Songbird Testnet Coston

Contract	Address	ABI
FdcHub	0x1c78A073E3BD2aCa4cc327d55FB0cD4f0549B55b	ABI
FdcVerification	0x57a2db68fb40f6C61342FF4beF283AE185eA8E51	ABI
FdcRequestFeeConfigurations	0x2bBfb46aC3A71A6725699004B8a8fE4C928E7108	ABI
FdcInflationConfigurations	0x8807adc15496Ef8F89CdFEfce19001a10878ACaF	ABI

Interfaces

Data Availability API

OpenAPI specification for Data Availability API.

IFdcHub

Primary interface for interacting with FDC.

IFdcVerification

Interface for verifying FDC requests.

IFdcRequestFeeConfigurations

Interface for managing FDC request fee configuration.

IFdcInflationConfigurations

Interface for managing FDC inflation configuration.

IAddressValidity

Assert whether a string represents a valid address.

IBalanceDecreasingTransaction

Detect a transaction that decreases an address balance.

IConfirmedBlockHeightExists

Assert that a block number is confirmed.

IEVMTransaction

Relay a transaction from an EVM chain.

IPayment

Relay a transaction in native currency.

IReferencedPaymentNonexistence

Assert whether an agreed-upon payment has not been made.