forked from TrueCloudLab/frostfs-node
92 lines
1.8 KiB
Go
92 lines
1.8 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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// LockParams for LockAsset invocation.
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LockParams struct {
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ID []byte
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User util.Uint160
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LockAccount util.Uint160
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Amount int64 // in Fixed16
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Until uint64 // epochs
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}
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// MintBurnParams for Mint and Burn invocations.
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MintBurnParams struct {
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ScriptHash []byte
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Amount int64 // in Fixed16
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Comment []byte
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}
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)
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const (
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transferXMethod = "transferX"
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lockMethod = "lock"
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mintMethod = "mint"
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burnMethod = "burn"
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precisionMethod = "decimals"
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)
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// Mint assets in contract.
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func Mint(cli *client.Client, con util.Uint160, p *MintBurnParams) 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, mintMethod,
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p.ScriptHash,
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p.Amount,
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p.Comment,
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)
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}
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// Burn minted assets.
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func Burn(cli *client.Client, con util.Uint160, p *MintBurnParams) 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, burnMethod,
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p.ScriptHash,
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p.Amount,
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p.Comment,
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)
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}
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// LockAsset invokes Lock method.
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func LockAsset(cli *client.Client, con util.Uint160, p *LockParams) 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, lockMethod,
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p.ID,
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p.User.BytesBE(),
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p.LockAccount.BytesBE(),
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p.Amount,
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int64(p.Until),
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)
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}
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// BalancePrecision invokes Decimal method that returns precision of NEP-5 contract.
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func BalancePrecision(cli *client.Client, con util.Uint160) (uint32, error) {
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if cli == nil {
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return 0, client.ErrNilClient
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}
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v, err := cli.TestInvoke(con, precisionMethod)
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if err != nil {
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return 0, err
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}
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precision, err := client.IntFromStackItem(v[0])
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if err != nil {
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return 0, err
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}
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return uint32(precision), nil
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}
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