ForcedExit

Forced withdraw from Layer3

NameTypeRequiredDescription

type

String

yes

The value is "ForcedExit"

toChainId

yes

The target chain of the withdrawal

initiatorAccountId

yes

Account ID of the transaction initiator

initiatorSubAccountId

yes

Subaccount ID of the transaction initiator

initiatorNonce

yes

Nonce of the transaction initiator's subaccount

target

String

yes

The account address of the forced withdraw, the token on Layer 1 is also sent to this address

targetSubAccountId

yes

Subaccount ID of the account of the forced withdraw

l2SourceToken

yes

The token deducted from the account of the forced withdraw

l1TargetToken

yes

This token sent to the to_address on L1

exitAmount

yes

Withdrawal amount

withdrawToL1

u8

yes

1: true, 0: false. withdraw to L1 or not

ts

u32

yes

Timestamp of the API call, used as front-end request id to generate transaction hash

signature

yes

the public key hash corresponding to the signature must be aligned with the initiator account

For example:

{
  "type": "ForcedExit",
  "toChainId": 1,
  "initiatorAccountId": 7,
  "initiatorSubAccountId": 3,
  "initiatorNonce":4,
  "target": "0x3498f456645270ee003441df82c718b56c0e6666",
  "targetSubAccountId": 2,
  "l2SourceToken": 1,
  "l1TargetToken": 17,
  "exitAmount": "4100000000000000",
  "ts": 1646102148,
  "withdrawToL1": 0,
  "signature": {
    "pubKey": "0x0dd4f603531bd78bbecd005d9e7cc62a794dcfadceffe03e269fbb6b72e9c724",
    "signature": "a8719d0f771f34a177bbf199ab7b0decd03b5db29edf173ed980d19c7864c5a3761111620ab1982ef1bb7459d5a919727e51b895799e2706ddd5a5328146eb01"
  }
}

sign ForcedExit

func SignForcedExit() {
    privateKey := "0xbe725250b123a39dab5b7579334d5888987c72a58f4508062545fe6e08ca94f4"
    address := sdk.ZkLinkAddress("0xAFAFf3aD1a0425D792432D9eCD1c3e26Ef2C42E9")
    builder := sdk.ForcedExitBuilder{
        ToChainId: sdk.ChainId(1),
        InitiatorAccountId: sdk.AccountId(1),
        TargetSubAccountId: sdk.SubAccountId(1),
        Target: address,
        InitiatorSubAccountId: sdk.SubAccountId(1),
        L2SourceToken: sdk.TokenId(18),
        L1TargetToken: sdk.TokenId(18),
        InitiatorNonce: sdk.Nonce(1),
        ExitAmount: *big.NewInt(100000),
        WithdrawToL1: false,
        Timestamp: sdk.TimeStamp(1693472232),
    }
    tx := sdk.NewForcedExit(builder)
    signer, err := sdk.NewSigner(privateKey)
    if err != nil {
        return
    }
    txSignature, err := signer.SignForcedExit(tx)
    fmt.Println("L1 signature: %s", txSignature.Layer1Signature)
    fmt.Println("signed Tx: %s", txSignature.Tx)
    submitterSignature, err := signer.SubmitterSignature(txSignature.Tx)
    fmt.Println("submitter signature: %s, %s", submitterSignature.PubKey, submitterSignature.Signature)
}

For more detail please refer to Golang example in SDK

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