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Build-in System Contracts

GitHub Implementation link:

Contract Name Contract Address ABI File
Stake Hub Contract 0x0000000000000000000000000000000000002002 stakehub
Stake Credit Contract 0x0000000000000000000000000000000000002003 stakecredit
Governor Contract 0x0000000000000000000000000000000000002004 bscgovernor
Gov Token Contract 0x0000000000000000000000000000000000002005 govtoken
Timelock Contract 0x0000000000000000000000000000000000002006 bsctimelock
Token Recover Portal Contract 0x0000000000000000000000000000000000003000 tokenrecoverportal

Precompiled Contracts

Secp256k1 Signature Recover

The precompiled contract is used to verify the signature of a message signed using the secp256k1 elliptic curve cryptography algorithm. It will also retrun the Tendermint address of the signer.

Verify Double Sign Evidence

The precompiled contract is used to verify the submitted double sign evidence, which includes the two block headers signed by the same validator at different times.

Build-in System Contracts

Stake Hub Contract

The Stake Hub contract is a contract that manages the staking process, including delegation, undelegation, redelegation, and claiming rewards.

Stake Credit Contract

The Stake Credit contract is a template proxy contract. When a validator is created, a new stake credit contract is deployed, to manage staking credit and facilitate the exchange between credit and BNB.

Governor Contract

The Governor contract is a contract that manages the BNB Smart Chain governance process. It allows users to propose and vote on changes to the protocol.

Gov Token Contract

The Gov Token contract is a contract that manages the governance token, i.e., govBNB.

Timelock Contract

The Timelock contract is a contract that allows executing a time lock on some specific operations (e.g., token recovery). After the timelock period, the locked tokens can be claimed or released.

Token Recover Portal Contract

The Token Recover Portal contract is a contract that allows users to recover their BEP2/BEP8 tokens, which must have been bound to BEP20 tokens, after the shutdown of the cross-chaind transfer between BNB Smart Chain and BNB Beacon Chain.