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EVM Runtime

The delegated EVM runtime dispatches calls and creates targeting Solidity-style contracts on Fluent. The address itself holds rWasm bytecode that wraps an EVM interpreter; every Solidity contract on Fluent is an ownable account whose owner_address field points here.

Address​

ConstantAddress
PRECOMPILE_EVM_RUNTIME0x0000000000000000000000000000000000520001

Routing​

Init code with no recognised magic prefix routes to this runtime — it is the default class. The dispatch rule lives in Runtime Routing and Ownable Accounts.

Behavior​

The runtime exposes two entry points used by REVM:

  • deploy_entry runs at account creation. It validates the init bytecode against EIP-3541 (no 0xEF prefix) and EIP-170 (≤ 24 KB), runs the constructor, and commits the resulting runtime bytecode plus a code hash to account metadata.
  • main_entry runs on every subsequent call. It loads metadata, runs the EVM interpreter against the call input, syncs gas and fuel via FUEL_DENOM_RATE = 20 at every interruption boundary, and returns the EVM-shaped result.

Nested calls and host operations (storage reads, balance queries, log emission) flow through the interruption protocol like any other system runtime.

Fork​

The interpreter targets the Prague EVM specification. Fluent's chain config activates Prague at genesis (see fluentbase/crates/genesis/build.rs default_chain_config).

Source​

fluentbase/contracts/evm/