From cf5f8a8f7867c0022861124a0419533c608f7b0b Mon Sep 17 00:00:00 2001
From: Evgenii Stratonikov <evgeniy@nspcc.ru>
Date: Fri, 23 Jul 2021 15:07:44 +0300
Subject: [PATCH] [#684] neofs-adm: transfer gas to the proxy contract

Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
---
 .../internal/modules/morph/initialize.go      |  5 +++
 .../modules/morph/initialize_deploy.go        |  2 +-
 .../modules/morph/initialize_transfer.go      | 37 +++++++++++++++++++
 3 files changed, 43 insertions(+), 1 deletion(-)

diff --git a/cmd/neofs-adm/internal/modules/morph/initialize.go b/cmd/neofs-adm/internal/modules/morph/initialize.go
index c11b63cad..f3e5bdcef 100644
--- a/cmd/neofs-adm/internal/modules/morph/initialize.go
+++ b/cmd/neofs-adm/internal/modules/morph/initialize.go
@@ -68,6 +68,11 @@ func initializeSideChainCmd(cmd *cobra.Command, args []string) error {
 		return err
 	}
 
+	cmd.Println("Stage 4.1: Transfer GAS to proxy contract.")
+	if err := initCtx.transferGASToProxy(); err != nil {
+		return err
+	}
+
 	cmd.Println("Stage 5: register candidates.")
 	if err := initCtx.registerCandidates(); err != nil {
 		return err
diff --git a/cmd/neofs-adm/internal/modules/morph/initialize_deploy.go b/cmd/neofs-adm/internal/modules/morph/initialize_deploy.go
index 4020fba44..bbcad0659 100644
--- a/cmd/neofs-adm/internal/modules/morph/initialize_deploy.go
+++ b/cmd/neofs-adm/internal/modules/morph/initialize_deploy.go
@@ -138,7 +138,7 @@ func (c *initializeContext) deployContracts() error {
 		}
 		res, err := c.Client.InvokeFunction(mgmtHash, "deploy", params, []transaction.Signer{signer})
 		if err != nil {
-			return fmt.Errorf("can't deploy contract: %w", err)
+			return fmt.Errorf("can't deploy alphabet #%d contract: %w", i, err)
 		}
 		h, err := c.Client.SignAndPushInvocationTx(res.Script, acc, -1, 0, []client.SignerAccount{{
 			Signer:  signer,
diff --git a/cmd/neofs-adm/internal/modules/morph/initialize_transfer.go b/cmd/neofs-adm/internal/modules/morph/initialize_transfer.go
index e5407b811..51d0cd136 100644
--- a/cmd/neofs-adm/internal/modules/morph/initialize_transfer.go
+++ b/cmd/neofs-adm/internal/modules/morph/initialize_transfer.go
@@ -5,6 +5,7 @@ import (
 
 	"github.com/nspcc-dev/neo-go/pkg/core/native"
 	"github.com/nspcc-dev/neo-go/pkg/core/native/nativenames"
+	"github.com/nspcc-dev/neo-go/pkg/core/state"
 	"github.com/nspcc-dev/neo-go/pkg/core/transaction"
 	"github.com/nspcc-dev/neo-go/pkg/rpc/client"
 	scContext "github.com/nspcc-dev/neo-go/pkg/smartcontract/context"
@@ -14,6 +15,8 @@ const (
 	gasInitialTotalSupply = 30000000 * native.GASFactor
 	// initialAlphabetGASAmount represents amount of GAS given to each alphabet node.
 	initialAlphabetGASAmount = 10_000 * native.GASFactor
+	// initialProxyGASAmount represents amount of GAS given to proxy contract.
+	initialProxyGASAmount = 50_000 * native.GASFactor
 )
 
 func (c *initializeContext) transferFunds() error {
@@ -145,3 +148,37 @@ func (c *initializeContext) multiSign(tx *transaction.Transaction, accType strin
 
 	return nil
 }
+
+func (c *initializeContext) transferGASToProxy() error {
+	gasHash, err := c.Client.GetNativeContractHash(nativenames.Gas)
+	if err != nil {
+		return fmt.Errorf("can't fetch %s hash: %w", nativenames.Gas, err)
+	}
+
+	ctrPath, err := c.Command.Flags().GetString(contractsInitFlag)
+	if err != nil {
+		return fmt.Errorf("missing contracts path: %w", err)
+	}
+
+	cs, err := c.readContract(ctrPath, proxyContract)
+	if err != nil {
+		return err
+	}
+
+	h := state.CreateContractHash(c.CommitteeAcc.Contract.ScriptHash(), cs.NEF.Checksum, cs.Manifest.Name)
+	bal, err := c.Client.NEP17BalanceOf(gasHash, h)
+	if err != nil || bal > 0 {
+		return err
+	}
+
+	tx, err := c.Client.CreateNEP17TransferTx(c.CommitteeAcc, h, gasHash, initialProxyGASAmount, 0, nil, nil)
+	if err != nil {
+		return err
+	}
+
+	if err := c.multiSignAndSend(tx, committeeAccountName); err != nil {
+		return err
+	}
+
+	return c.awaitTx()
+}