0x4f8e5DE400DE08B164E7421B3EE387f461beCD1A

on Ethereum Mainnet (1)

Exact Match

Runtime Bytecode

Creation Bytecode

Contract Name: Usdd
Compilation Target: src/dss/usdd.sol:Usdd
Language: Solidity
Compiler: solc 0.6.12+commit.27d51765
EVM Version: istanbul
Verified At: 2025-10-12 12:55:36 UTC
Deployer: 0x9c1a61a0740128F0A9F948b08995CDf3DF58F1EE
Deployment Transaction: 0xc7fa94234207d4ed6f4a0f2574931c95c8f94a6aaf1e08e8ba78eaeeff67c17b
Block Number: 23274504
Transaction Index: 232

Read/Write Contract on:

ABI

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Source Code

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EXPLORER

usdd.sol

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Compiler Settings

Contract Metadata

Creation Bytecode

Annotated On-chain Bytecode

On-chain Bytecode

Recompiled Bytecode

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CBOR Auxdata

These values are what Sourcify extracted from the recompiled bytecode. If these values are different in the on-chain bytecode, they will show up in Transformations section.

CBOR Auxdata id: 1

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Solidity metadata.json IPFS hash: QmYNtt9v8hS5a9ppwfSE8mQSTxcvNGFFb7Tx9hxVur7dau

Raw

Decoded

Length: 53 bytes

0xa264697066735822122095280e7e4ffb3d67bc9761d24fcfe72f51437b58bd8378defa0764d83d24f6be64736f6c634300060c0033

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Transformations

Constructor Arguments

Raw

Decoded

Length: 32 bytes

0x0000000000000000000000000000000000000000000000000000000000000001

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Runtime Bytecode

Annotated On-chain Bytecode

On-chain & Recompiled Bytecode

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CBOR Auxdata

These values are what Sourcify extracted from the recompiled bytecode. If these values are different in the on-chain bytecode, they will show up in Transformations section.

CBOR Auxdata id: 1

View on

Solidity metadata.json IPFS hash: QmYNtt9v8hS5a9ppwfSE8mQSTxcvNGFFb7Tx9hxVur7dau

Raw

Decoded

Length: 53 bytes

0xa264697066735822122095280e7e4ffb3d67bc9761d24fcfe72f51437b58bd8378defa0764d83d24f6be64736f6c634300060c0033

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Storage Layout

For non-default storage allocations (e.g. EIP-7201) check out

Slot	Bytes	Label	Type	Contract
0	32	wards	mapping(address ⇒ uint256)	src/dss/usdd.sol:Usdd
1	32	totalSupply	uint256	src/dss/usdd.sol:Usdd
2	32	balanceOf	mapping(address ⇒ uint256)	src/dss/usdd.sol:Usdd
3	32	allowance	mapping(address ⇒ mapping(address ⇒ uint256))	src/dss/usdd.sol:Usdd
4	32	nonces	mapping(address ⇒ uint256)	src/dss/usdd.sol:Usdd
5	32	DOMAIN_SEPARATOR	bytes32	src/dss/usdd.sol:Usdd

Transient Storage Layout

Transient storage layout is only available for Solidity contracts compiled with version ≥ 0.8.27.

Standard JSON Input

This isn't the original compiler JSON data. Generated for compatibility.

Standard JSON Output

This isn't the original compiler JSON data. Generated for compatibility.