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ERC-7936 Versioned Proxy Contract Interface

ReviewERCcreated 2025-04-17

Multi-version proxy contracts that allow callers to select implementation

Authors: Raphina Liu (@Stamp9), Monica Jin (@mokita-j), Martin Monperrus (@monperrus)

ERC-165 interface ids

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

IVersionedProxy0x69999698

Functions this standard introduces (7)

0x7a586f87executeAtVersion(bytes32,bytes)payable
0x83334bbagetDefaultVersion()view
0x3c2e0828getImplementation(bytes32)view
0x6d0cc895getVersions()view
0x920147dcregisterVersion(bytes32,address)
0x13dcd0cbremoveVersion(bytes32)
0x400de50fsetDefaultVersion(bytes32)

Events (2)

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

0x59bae85bf937c19399576ca9568b91725715f04204093a97e75106292b852946VersionRegistered(bytes32,address)
0x0fe57638ee7939c88f7121243026cb15a07a44121fe3560dec067c8965436026DefaultVersionChanged(bytes32,bytes32)

What the specification covers

Compare with

Parsed from the canonical specification · discussion