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Nodebalancer starknet blockchain support #941

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merged 1 commit into from
Oct 31, 2023
+63 −17
Merged

Nodebalancer starknet blockchain support #941

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32 changes: 23 additions & 9 deletions nodebalancer/cmd/nodebalancer/balancer.go
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,7 @@ import (
"strings"
"sync"
"sync/atomic"
"time"
)

// Main variable of pool of blockchains which contains pool of nodes
Expand Down Expand Up @@ -50,7 +51,8 @@ type BlockchainPool struct {

// Node status response struct for HealthCheck
type NodeStatusResultResponse struct {
Number string `json:"number"`
BlockNumber uint64 `json:"block_number"`
Number string `json:"number"`
}

type NodeStatusResponse struct {
Expand Down Expand Up @@ -194,14 +196,21 @@ func (bpool *BlockchainPool) StatusLog() {
// HealthCheck fetch the node latest block
func (bpool *BlockchainPool) HealthCheck() {
for _, b := range bpool.Blockchains {
var timeout time.Duration
getLatestBlockReq := `{"jsonrpc":"2.0","method":"eth_getBlockByNumber","params":["latest", false],"id":1}`
if b.Blockchain == "starknet" {
getLatestBlockReq = `{"jsonrpc":"2.0","method":"starknet_getBlockWithTxHashes","params":["latest"],"id":"0"}`
timeout = NB_HEALTH_CHECK_CALL_TIMEOUT * 2
}

for _, n := range b.Nodes {
alive := false

httpClient := http.Client{Timeout: NB_HEALTH_CHECK_CALL_TIMEOUT}
httpClient := http.Client{Timeout: timeout}
resp, err := httpClient.Post(
n.Endpoint.String(),
"application/json",
bytes.NewBuffer([]byte(`{"jsonrpc":"2.0","method":"eth_getBlockByNumber","params":["latest", false],"id":1}`)),
bytes.NewBuffer([]byte(getLatestBlockReq)),
)
if err != nil {
n.UpdateNodeState(0, alive)
Expand Down Expand Up @@ -231,12 +240,17 @@ func (bpool *BlockchainPool) HealthCheck() {
continue
}

blockNumberHex := strings.Replace(statusResponse.Result.Number, "0x", "", -1)
blockNumber, err := strconv.ParseUint(blockNumberHex, 16, 64)
if err != nil {
n.UpdateNodeState(0, alive)
log.Printf("Unable to parse block number from hex to string, err: %v", err)
continue
var blockNumber uint64
if b.Blockchain == "starknet" {
blockNumber = statusResponse.Result.BlockNumber
} else {
blockNumberHex := strings.Replace(statusResponse.Result.Number, "0x", "", -1)
blockNumber, err = strconv.ParseUint(blockNumberHex, 16, 64)
if err != nil {
n.UpdateNodeState(0, alive)
log.Printf("Unable to parse block number from hex to string, err: %v", err)
continue
}
}

// Mark node in list of pool as alive and update current block
Expand Down
46 changes: 39 additions & 7 deletions nodebalancer/cmd/nodebalancer/blockchain.go
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Original file line number Diff line number Diff line change
Expand Up @@ -27,9 +27,9 @@ var (
"eth_getUncleCountByBlockNumber": true,
"eth_getWork": true,
"eth_mining": true,
// "eth_sendRawTransaction": true,
"eth_protocolVersion": true,
"eth_syncing": true,
"eth_sendRawTransaction": true,
"eth_protocolVersion": true,
"eth_syncing": true,

"net_listening": true,
"net_peerCount": true,
Expand All @@ -56,14 +56,46 @@ var (
"zks_getTransactionDetails": true,
"zks_L1BatchNumber": true,
"zks_L1ChainId": true,

// starknet methods
"starknet_specVersion": true,
"starknet_getBlockWithTxHashes": true,
"starknet_getBlockWithTxs": true,
"starknet_getStateUpdate": true,
"starknet_getStorageAt": true,
"starknet_getTransactionStatus": true,
"starknet_getTransactionByHash": true,
"starknet_getTransactionByBlockIdAndIndex": true,
"starknet_getTransactionReceipt": true,
"starknet_getClass": true,
"starknet_getClassHashAt": true,
"starknet_getClassAt": true,
"starknet_getBlockTransactionCount": true,
"starknet_call": true,
"starknet_estimateFee": true,
"starknet_estimateMessageFee": true,
"starknet_blockNumber": true,
"starknet_blockHashAndNumber": true,
"starknet_chainId": true,
"starknet_syncing": true,
"starknet_getEvents": true,
"starknet_getNonce": true,

"starknet_traceTransaction": true,
"starknet_simulateTransactions": true,
"starknet_traceBlockTransactions": true,

"starknet_addInvokeTransaction": true,
"starknet_addDeclareTransaction": true,
"starknet_addDeployAccountTransaction": true,
}
)

type JSONRPCRequest struct {
Jsonrpc string `json:"jsonrpc"`
Method string `json:"method"`
Params []interface{} `json:"params"`
ID interface{} `json:"id"` // According to the JSON-RPC specification, the id can be a string, number, or null
Jsonrpc string `json:"jsonrpc"`
Method string `json:"method"`
Params interface{} `json:"params"`
ID interface{} `json:"id"` // According to the JSON-RPC specification, the id can be a string, number, or null
}

type BlockchainConfig struct {
Expand Down
2 changes: 1 addition & 1 deletion nodebalancer/cmd/nodebalancer/version.go
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Original file line number Diff line number Diff line change
@@ -1,3 +1,3 @@
package main

var NB_VERSION = "0.2.4"
var NB_VERSION = "0.2.5"
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