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ERC-8100 Representable Contract State

DraftERCcreated 2025-12-01requires EIP-155

Interface and XML binding schema for contracts that expose a canonical representation of their state.

Authors: Christian Fries (@cfries), Peter Kohl-Landgraf (@pekola), Raphael Prandtl (@RKP1101)

ERC-165 interface ids

Computed here as the XOR of the selectors each interface defines.

IXMLRepresentableState0xf44f902c
IRepresentableStateVersioned0x1219a4e4
IRepresentableStateHashed0x701da98e
IXMLRepresentableStatePart0x548caff4

Functions this standard introduces (4)

0x701da98estateHash()view
0x548caff4statePartXmlTemplate(uint256)view
0x1219a4e4stateVersion()view
0xf44f902cstateXmlTemplate()view

Events (2)

Topic0 is the keccak256 hash of the signature, which is what a log filter matches on.

0x42cfaee42e8bb8f9708d25e1c4361730d351c50e6d4da1afd0385450581ed6a5Updated(address,uint256,uint256,bool)
0x13a77d701a81795a91b7d1b3607082f44ceb3effa42d1fe9ff18f1a8c111e969SettlementRequested(address,string,string)

Depends on (1)

Proposals this one names in its requires field.

What the specification covers

Compare with

Parsed from the canonical specification · discussion