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feat: add operator fee vault #1741

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Merged
merged 2 commits into from
Nov 6, 2025
Merged

feat: add operator fee vault #1741

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cf79d85
feat: add operator fee vault
fakedev9999 Sep 14, 2025
3cc3352
docs: add Isthmus hardfork reference to OperatorFeeVault desc
fakedev9999 Nov 6, 2025
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1 change: 1 addition & 0 deletions app-developers/reference/tools/supersim/chain-a.mdx
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Original file line number Diff line number Diff line change
Expand Up @@ -71,6 +71,7 @@ This guide provides network details and contract addresses for OPChainA (chainID
"ProxyAdmin": "0x4200000000000000000000000000000000000018",
"BaseFeeVault": "0x4200000000000000000000000000000000000019",
"L1FeeVault": "0x420000000000000000000000000000000000001A",
"OperatorFeeVault": "0x420000000000000000000000000000000000001B",
"GovernanceToken": "0x4200000000000000000000000000000000000042",
"SchemaRegistry": "0x4200000000000000000000000000000000000020",
"EAS": "0x4200000000000000000000000000000000000021",
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1 change: 1 addition & 0 deletions app-developers/reference/tools/supersim/chain-b.mdx
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Original file line number Diff line number Diff line change
Expand Up @@ -71,6 +71,7 @@ This guide provides network details and contract addresses for OPChainB (chainID
"ProxyAdmin": "0x4200000000000000000000000000000000000018",
"BaseFeeVault": "0x4200000000000000000000000000000000000019",
"L1FeeVault": "0x420000000000000000000000000000000000001A",
"OperatorFeeVault": "0x420000000000000000000000000000000000001B",
"GovernanceToken": "0x4200000000000000000000000000000000000042",
"SchemaRegistry": "0x4200000000000000000000000000000000000020",
"EAS": "0x4200000000000000000000000000000000000021",
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11 changes: 11 additions & 0 deletions concepts/stack/smart-contracts.mdx
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Expand Up @@ -650,6 +650,17 @@ withdrawn to an immutable address on L1.
* **Deprecated:** no
* **Proxied:** yes

### OperatorFeeVault

The `OperatorFeeVault` predeploy (introduced with the [Isthmus hardfork](https://github.com/ethereum-optimism/specs/blob/main/specs/protocol/isthmus/predeploys.md#operatorfeevault)) receives the operator portion of the transaction fees.
Once the contract has received a certain amount of fees, funds can be withdrawn to
the BaseFeeVault on the L2 network.

* **Address:** `0x420000000000000000000000000000000000001B`
* **Introduced:** Isthmus
* **Deprecated:** no
* **Proxied:** yes

### SchemaRegistry

The `SchemaRegistry` predeploy implements the global attestation schemas for the Ethereum Attestation Service protocol.
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1 change: 1 addition & 0 deletions utils/constants.ts
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Expand Up @@ -16,6 +16,7 @@ export const PREDEPLOYS = {
'ProxyAdmin': '0x4200000000000000000000000000000000000018',
'BaseFeeVault': '0x4200000000000000000000000000000000000019',
'L1FeeVault': '0x420000000000000000000000000000000000001A',
'OperatorFeeVault': '0x420000000000000000000000000000000000001B',
'GovernanceToken': '0x4200000000000000000000000000000000000042',
'SchemaRegistry': '0x4200000000000000000000000000000000000020',
'EAS': '0x4200000000000000000000000000000000000021'
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