72 lines
1.8 KiB
Go
72 lines
1.8 KiB
Go
package multisig
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import (
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"golang.org/x/xerrors"
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"github.com/filecoin-project/go-address"
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"github.com/filecoin-project/go-state-types/abi"
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builtin7 "github.com/filecoin-project/specs-actors/v7/actors/builtin"
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init7 "github.com/filecoin-project/specs-actors/v7/actors/builtin/init"
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multisig7 "github.com/filecoin-project/specs-actors/v7/actors/builtin/multisig"
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"github.com/filecoin-project/lotus/chain/actors"
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init_ "github.com/filecoin-project/lotus/chain/actors/builtin/init"
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"github.com/filecoin-project/lotus/chain/types"
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)
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type message7 struct{ message0 }
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func (m message7) Create(
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signers []address.Address, threshold uint64,
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unlockStart, unlockDuration abi.ChainEpoch,
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initialAmount abi.TokenAmount,
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) (*types.Message, error) {
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lenAddrs := uint64(len(signers))
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if lenAddrs < threshold {
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return nil, xerrors.Errorf("cannot require signing of more addresses than provided for multisig")
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}
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if threshold == 0 {
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threshold = lenAddrs
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}
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if m.from == address.Undef {
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return nil, xerrors.Errorf("must provide source address")
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}
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// Set up constructor parameters for multisig
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msigParams := &multisig7.ConstructorParams{
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Signers: signers,
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NumApprovalsThreshold: threshold,
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UnlockDuration: unlockDuration,
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StartEpoch: unlockStart,
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}
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enc, actErr := actors.SerializeParams(msigParams)
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if actErr != nil {
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return nil, actErr
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}
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// new actors are created by invoking 'exec' on the init actor with the constructor params
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execParams := &init7.ExecParams{
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CodeCID: builtin7.MultisigActorCodeID,
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ConstructorParams: enc,
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}
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enc, actErr = actors.SerializeParams(execParams)
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if actErr != nil {
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return nil, actErr
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}
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return &types.Message{
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To: init_.Address,
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From: m.from,
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Method: builtin7.MethodsInit.Exec,
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Params: enc,
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Value: initialAmount,
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}, nil
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}
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