43 lines
1.2 KiB
Go
43 lines
1.2 KiB
Go
package invoke
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import (
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"github.com/nspcc-dev/neo-go/pkg/util"
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"github.com/nspcc-dev/neofs-node/pkg/morph/client"
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)
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type (
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// ChequeParams for CashOutCheque invocation.
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ChequeParams struct {
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ID []byte
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Amount int64 // Fixed8
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User util.Uint160
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LockAccount util.Uint160
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}
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)
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const (
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// Extra SysFee for contract invocations. Contracts execute inner ring
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// invocations in two steps: collection and execution. At collection
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// step contract waits for (2\3*n + 1) invocations, and then in execution
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// stage contract actually makes changes in the contract storage. SysFee
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// for invocation calculated based on testinvoke which happens at collection
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// stage. Therefore client has to provide some extra SysFee to operate at
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// execution stage. Otherwise invocation will fail due to gas limit.
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extraFee = 2_0000_0000 // 2.0 Fixed8 gas
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chequeMethod = "cheque"
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)
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// CashOutCheque invokes Cheque method.
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func CashOutCheque(cli *client.Client, con util.Uint160, p *ChequeParams) error {
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if cli == nil {
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return client.ErrNilClient
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}
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return cli.Invoke(con, extraFee, chequeMethod,
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p.ID,
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p.User.BytesBE(),
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p.Amount,
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p.LockAccount.BytesBE(),
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)
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}
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