95 lines
2.8 KiB
Go
95 lines
2.8 KiB
Go
package morph
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import (
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"fmt"
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"github.com/nspcc-dev/neo-go/pkg/core/native"
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"github.com/nspcc-dev/neo-go/pkg/core/native/nativenames"
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"github.com/nspcc-dev/neo-go/pkg/core/state"
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"github.com/nspcc-dev/neo-go/pkg/core/transaction"
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"github.com/nspcc-dev/neo-go/pkg/io"
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"github.com/nspcc-dev/neo-go/pkg/rpc/client"
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"github.com/nspcc-dev/neo-go/pkg/smartcontract"
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"github.com/nspcc-dev/neo-go/pkg/smartcontract/callflag"
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"github.com/nspcc-dev/neo-go/pkg/util"
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"github.com/nspcc-dev/neo-go/pkg/vm"
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"github.com/nspcc-dev/neo-go/pkg/vm/emit"
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"github.com/nspcc-dev/neo-go/pkg/vm/opcode"
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"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
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)
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// initialAlphabetNEOAmount represents total amount of GAS distributed between alphabet nodes.
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const initialAlphabetNEOAmount = native.NEOTotalSupply
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func (c *initializeContext) registerCandidates() error {
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neoHash := c.nativeHash(nativenames.Neo)
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res, err := c.Client.InvokeFunction(neoHash, "getCandidates", []smartcontract.Parameter{}, nil)
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if err != nil {
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return err
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}
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if res.State == vm.HaltState.String() && len(res.Stack) > 0 {
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arr, ok := res.Stack[0].Value().([]stackitem.Item)
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if ok && len(arr) > 0 {
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return nil
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}
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}
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regPrice, err := c.Client.GetCandidateRegisterPrice()
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if err != nil {
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return fmt.Errorf("can't fetch registration price: %w", err)
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}
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sysGas := regPrice + native.GASFactor // + 1 GAS
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for _, acc := range c.Accounts {
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w := io.NewBufBinWriter()
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emit.AppCall(w.BinWriter, neoHash, "registerCandidate", callflag.States, acc.PrivateKey().PublicKey().Bytes())
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emit.Opcodes(w.BinWriter, opcode.ASSERT)
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h, err := c.Client.SignAndPushInvocationTx(w.Bytes(), acc, sysGas, 0, []client.SignerAccount{{
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Signer: transaction.Signer{
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Account: acc.Contract.ScriptHash(),
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Scopes: transaction.CalledByEntry,
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},
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Account: acc,
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}})
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if err != nil {
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return err
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}
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c.Hashes = append(c.Hashes, h)
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}
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return c.awaitTx()
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}
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func (c *initializeContext) transferNEOToAlphabetContracts() error {
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neoHash := c.nativeHash(nativenames.Neo)
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ok, err := c.transferNEOFinished(neoHash)
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if ok || err != nil {
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return err
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}
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cs := c.getContract(alphabetContract)
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amount := initialAlphabetNEOAmount / len(c.Wallets)
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bw := io.NewBufBinWriter()
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for _, acc := range c.Accounts {
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h := state.CreateContractHash(acc.Contract.ScriptHash(), cs.NEF.Checksum, cs.Manifest.Name)
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emit.AppCall(bw.BinWriter, neoHash, "transfer", callflag.All,
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c.CommitteeAcc.Contract.ScriptHash(), h, int64(amount), nil)
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}
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if err := c.sendCommitteeTx(bw.Bytes(), -1); err != nil {
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return err
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}
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return c.awaitTx()
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}
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func (c *initializeContext) transferNEOFinished(neoHash util.Uint160) (bool, error) {
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bal, err := c.Client.NEP17BalanceOf(neoHash, c.CommitteeAcc.Contract.ScriptHash())
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return bal < native.NEOTotalSupply, err
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}
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