276 lines
9.3 KiB
Go
276 lines
9.3 KiB
Go
package integration_tests
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import (
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"bytes"
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"fmt"
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"os"
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"testing"
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"time"
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"github.com/alicebob/miniredis"
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"github.com/ethereum-optimism/optimism/proxyd"
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"github.com/stretchr/testify/require"
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)
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func TestCaching(t *testing.T) {
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redis, err := miniredis.Run()
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require.NoError(t, err)
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defer redis.Close()
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hdlr := NewBatchRPCResponseRouter()
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/* cacheable */
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hdlr.SetRoute("eth_chainId", "999", "0x420")
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hdlr.SetRoute("net_version", "999", "0x1234")
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hdlr.SetRoute("eth_getBlockTransactionCountByHash", "999", "eth_getBlockTransactionCountByHash")
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hdlr.SetRoute("eth_getBlockByHash", "999", "eth_getBlockByHash")
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hdlr.SetRoute("eth_getTransactionByHash", "999", "eth_getTransactionByHash")
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hdlr.SetRoute("eth_getTransactionByBlockHashAndIndex", "999", "eth_getTransactionByBlockHashAndIndex")
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hdlr.SetRoute("eth_getUncleByBlockHashAndIndex", "999", "eth_getUncleByBlockHashAndIndex")
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hdlr.SetRoute("eth_getTransactionReceipt", "999", "eth_getTransactionReceipt")
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hdlr.SetRoute("debug_getRawReceipts", "999", "debug_getRawReceipts")
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/* not cacheable */
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hdlr.SetRoute("eth_getBlockByNumber", "999", "eth_getBlockByNumber")
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hdlr.SetRoute("eth_blockNumber", "999", "eth_blockNumber")
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hdlr.SetRoute("eth_call", "999", "eth_call")
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backend := NewMockBackend(hdlr)
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defer backend.Close()
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require.NoError(t, os.Setenv("GOOD_BACKEND_RPC_URL", backend.URL()))
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require.NoError(t, os.Setenv("REDIS_URL", fmt.Sprintf("redis://127.0.0.1:%s", redis.Port())))
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config := ReadConfig("caching")
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client := NewProxydClient("http://127.0.0.1:8545")
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_, shutdown, err := proxyd.Start(config)
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require.NoError(t, err)
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defer shutdown()
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// allow time for the block number fetcher to fire
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time.Sleep(1500 * time.Millisecond)
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tests := []struct {
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method string
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params []interface{}
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response string
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backendCalls int
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}{
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/* cacheable */
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{
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"eth_chainId",
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nil,
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"{\"jsonrpc\": \"2.0\", \"result\": \"0x420\", \"id\": 999}",
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1,
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},
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{
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"net_version",
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nil,
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"{\"jsonrpc\": \"2.0\", \"result\": \"0x1234\", \"id\": 999}",
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1,
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},
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{
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"eth_getBlockTransactionCountByHash",
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[]interface{}{"0xb903239f8543d04b5dc1ba6579132b143087c68db1b2168786408fcbce568238"},
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"{\"jsonrpc\": \"2.0\", \"result\": \"eth_getBlockTransactionCountByHash\", \"id\": 999}",
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1,
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},
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{
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"eth_getBlockByHash",
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[]interface{}{"0xc6ef2fc5426d6ad6fd9e2a26abeab0aa2411b7ab17f30a99d3cb96aed1d1055b", "false"},
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"{\"jsonrpc\": \"2.0\", \"result\": \"eth_getBlockByHash\", \"id\": 999}",
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1,
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},
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{
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"eth_getTransactionByBlockHashAndIndex",
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[]interface{}{"0xe670ec64341771606e55d6b4ca35a1a6b75ee3d5145a99d05921026d1527331", "0x55"},
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"{\"jsonrpc\": \"2.0\", \"result\": \"eth_getTransactionByBlockHashAndIndex\", \"id\": 999}",
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1,
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},
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{
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"eth_getUncleByBlockHashAndIndex",
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[]interface{}{"0xb903239f8543d04b5dc1ba6579132b143087c68db1b2168786408fcbce568238", "0x90"},
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"{\"jsonrpc\": \"2.0\", \"result\": \"eth_getUncleByBlockHashAndIndex\", \"id\": 999}",
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1,
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},
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/* not cacheable */
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{
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"eth_getBlockByNumber",
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[]interface{}{
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"0x1",
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true,
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},
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"{\"jsonrpc\": \"2.0\", \"result\": \"eth_getBlockByNumber\", \"id\": 999}",
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2,
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},
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{
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"eth_getTransactionReceipt",
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[]interface{}{"0x85d995eba9763907fdf35cd2034144dd9d53ce32cbec21349d4b12823c6860c5"},
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"{\"jsonrpc\": \"2.0\", \"result\": \"eth_getTransactionReceipt\", \"id\": 999}",
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2,
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},
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{
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"eth_getTransactionByHash",
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[]interface{}{"0x88df016429689c079f3b2f6ad39fa052532c56795b733da78a91ebe6a713944b"},
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"{\"jsonrpc\": \"2.0\", \"result\": \"eth_getTransactionByHash\", \"id\": 999}",
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2,
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},
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{
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"eth_call",
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[]interface{}{
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struct {
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To string `json:"to"`
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}{
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"0x1234",
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},
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"0x60",
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},
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"{\"jsonrpc\": \"2.0\", \"result\": \"eth_call\", \"id\": 999}",
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2,
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},
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{
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"eth_blockNumber",
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nil,
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"{\"jsonrpc\": \"2.0\", \"result\": \"eth_blockNumber\", \"id\": 999}",
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2,
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},
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{
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"eth_call",
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[]interface{}{
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struct {
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To string `json:"to"`
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}{
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"0x1234",
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},
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"latest",
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},
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"{\"jsonrpc\": \"2.0\", \"result\": \"eth_call\", \"id\": 999}",
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2,
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},
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{
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"eth_call",
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[]interface{}{
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struct {
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To string `json:"to"`
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}{
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"0x1234",
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},
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"pending",
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},
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"{\"jsonrpc\": \"2.0\", \"result\": \"eth_call\", \"id\": 999}",
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2,
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},
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}
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for _, tt := range tests {
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t.Run(tt.method, func(t *testing.T) {
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resRaw, _, err := client.SendRPC(tt.method, tt.params)
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require.NoError(t, err)
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resCache, _, err := client.SendRPC(tt.method, tt.params)
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require.NoError(t, err)
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RequireEqualJSON(t, []byte(tt.response), resCache)
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RequireEqualJSON(t, resRaw, resCache)
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require.Equal(t, tt.backendCalls, countRequests(backend, tt.method))
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backend.Reset()
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})
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}
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t.Run("nil responses should not be cached", func(t *testing.T) {
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hdlr.SetRoute("eth_getBlockByHash", "999", nil)
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resRaw, _, err := client.SendRPC("eth_getBlockByHash", []interface{}{"0x123"})
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require.NoError(t, err)
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resCache, _, err := client.SendRPC("eth_getBlockByHash", []interface{}{"0x123"})
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require.NoError(t, err)
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RequireEqualJSON(t, []byte("{\"id\":999,\"jsonrpc\":\"2.0\",\"result\":null}"), resRaw)
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RequireEqualJSON(t, resRaw, resCache)
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require.Equal(t, 2, countRequests(backend, "eth_getBlockByHash"))
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})
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t.Run("debug_getRawReceipts with 0 receipts should not be cached", func(t *testing.T) {
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backend.Reset()
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hdlr.SetRoute("debug_getRawReceipts", "999", []string{})
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resRaw, _, err := client.SendRPC("debug_getRawReceipts", []interface{}{"0x88420081ab9c6d50dc57af36b541c6b8a7b3e9c0d837b0414512c4c5883560ff"})
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require.NoError(t, err)
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resCache, _, err := client.SendRPC("debug_getRawReceipts", []interface{}{"0x88420081ab9c6d50dc57af36b541c6b8a7b3e9c0d837b0414512c4c5883560ff"})
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require.NoError(t, err)
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RequireEqualJSON(t, []byte("{\"id\":999,\"jsonrpc\":\"2.0\",\"result\":[]}"), resRaw)
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RequireEqualJSON(t, resRaw, resCache)
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require.Equal(t, 2, countRequests(backend, "debug_getRawReceipts"))
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})
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t.Run("debug_getRawReceipts with more than 0 receipts should be cached", func(t *testing.T) {
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backend.Reset()
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hdlr.SetRoute("debug_getRawReceipts", "999", []string{"a"})
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resRaw, _, err := client.SendRPC("debug_getRawReceipts", []interface{}{"0x88420081ab9c6d50dc57af36b541c6b8a7b3e9c0d837b0414512c4c5883560bb"})
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require.NoError(t, err)
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resCache, _, err := client.SendRPC("debug_getRawReceipts", []interface{}{"0x88420081ab9c6d50dc57af36b541c6b8a7b3e9c0d837b0414512c4c5883560bb"})
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require.NoError(t, err)
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RequireEqualJSON(t, []byte("{\"id\":999,\"jsonrpc\":\"2.0\",\"result\":[\"a\"]}"), resRaw)
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RequireEqualJSON(t, resRaw, resCache)
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require.Equal(t, 1, countRequests(backend, "debug_getRawReceipts"))
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})
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}
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func TestBatchCaching(t *testing.T) {
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redis, err := miniredis.Run()
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require.NoError(t, err)
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defer redis.Close()
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hdlr := NewBatchRPCResponseRouter()
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hdlr.SetRoute("eth_chainId", "1", "0x420")
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hdlr.SetRoute("net_version", "1", "0x1234")
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hdlr.SetRoute("eth_call", "1", "dummy_call")
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hdlr.SetRoute("eth_getBlockByHash", "1", "eth_getBlockByHash")
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backend := NewMockBackend(hdlr)
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defer backend.Close()
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require.NoError(t, os.Setenv("GOOD_BACKEND_RPC_URL", backend.URL()))
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require.NoError(t, os.Setenv("REDIS_URL", fmt.Sprintf("redis://127.0.0.1:%s", redis.Port())))
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config := ReadConfig("caching")
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client := NewProxydClient("http://127.0.0.1:8545")
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_, shutdown, err := proxyd.Start(config)
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require.NoError(t, err)
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defer shutdown()
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// allow time for the block number fetcher to fire
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time.Sleep(1500 * time.Millisecond)
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goodChainIdResponse := "{\"jsonrpc\": \"2.0\", \"result\": \"0x420\", \"id\": 1}"
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goodNetVersionResponse := "{\"jsonrpc\": \"2.0\", \"result\": \"0x1234\", \"id\": 1}"
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goodEthCallResponse := "{\"jsonrpc\": \"2.0\", \"result\": \"dummy_call\", \"id\": 1}"
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goodEthGetBlockByHash := "{\"jsonrpc\": \"2.0\", \"result\": \"eth_getBlockByHash\", \"id\": 1}"
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res, _, err := client.SendBatchRPC(
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NewRPCReq("1", "eth_chainId", nil),
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NewRPCReq("1", "net_version", nil),
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NewRPCReq("1", "eth_getBlockByHash", []interface{}{"0xc6ef2fc5426d6ad6fd9e2a26abeab0aa2411b7ab17f30a99d3cb96aed1d1055b", "false"}),
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)
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require.NoError(t, err)
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RequireEqualJSON(t, []byte(asArray(goodChainIdResponse, goodNetVersionResponse, goodEthGetBlockByHash)), res)
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require.Equal(t, 1, countRequests(backend, "eth_chainId"))
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require.Equal(t, 1, countRequests(backend, "net_version"))
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require.Equal(t, 1, countRequests(backend, "eth_getBlockByHash"))
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backend.Reset()
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res, _, err = client.SendBatchRPC(
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NewRPCReq("1", "eth_chainId", nil),
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NewRPCReq("1", "eth_call", []interface{}{`{"to":"0x1234"}`, "pending"}),
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NewRPCReq("1", "net_version", nil),
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NewRPCReq("1", "eth_getBlockByHash", []interface{}{"0xc6ef2fc5426d6ad6fd9e2a26abeab0aa2411b7ab17f30a99d3cb96aed1d1055b", "false"}),
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)
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require.NoError(t, err)
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RequireEqualJSON(t, []byte(asArray(goodChainIdResponse, goodEthCallResponse, goodNetVersionResponse, goodEthGetBlockByHash)), res)
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require.Equal(t, 0, countRequests(backend, "eth_chainId"))
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require.Equal(t, 0, countRequests(backend, "net_version"))
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require.Equal(t, 0, countRequests(backend, "eth_getBlockByHash"))
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require.Equal(t, 1, countRequests(backend, "eth_call"))
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}
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func countRequests(backend *MockBackend, name string) int {
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var count int
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for _, req := range backend.Requests() {
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if bytes.Contains(req.Body, []byte(name)) {
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count++
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}
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}
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return count
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}
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