529 lines
23 KiB
Go
529 lines
23 KiB
Go
// VulcanizeDB
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// Copyright © 2019 Vulcanize
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package eth_test
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import (
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"bytes"
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"context"
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"io/ioutil"
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"math/big"
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"time"
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"github.com/ethereum/go-ethereum/accounts/abi"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/common/hexutil"
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"github.com/ethereum/go-ethereum/core"
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"github.com/ethereum/go-ethereum/core/types"
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"github.com/ethereum/go-ethereum/core/vm"
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"github.com/ethereum/go-ethereum/params"
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"github.com/ethereum/go-ethereum/rpc"
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"github.com/ethereum/go-ethereum/statediff"
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"github.com/ethereum/go-ethereum/statediff/indexer"
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"github.com/ethereum/go-ethereum/statediff/indexer/postgres"
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sdtypes "github.com/ethereum/go-ethereum/statediff/types"
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. "github.com/onsi/ginkgo"
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. "github.com/onsi/gomega"
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pgipfsethdb "github.com/vulcanize/ipfs-ethdb/postgres"
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"github.com/vulcanize/ipld-eth-server/pkg/eth"
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"github.com/vulcanize/ipld-eth-server/pkg/eth/test_helpers"
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)
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var (
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parsedABI abi.ABI
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)
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func init() {
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// load abi
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abiBytes, err := ioutil.ReadFile("./test_helpers/abi.json")
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if err != nil {
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panic(err)
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}
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parsedABI, err = abi.JSON(bytes.NewReader(abiBytes))
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if err != nil {
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panic(err)
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}
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}
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var _ = Describe("eth state reading tests", func() {
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const chainLength = 5
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var (
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blocks []*types.Block
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receipts []types.Receipts
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chain *core.BlockChain
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db *postgres.DB
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api *eth.PublicEthAPI
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backend *eth.Backend
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chainConfig = params.TestChainConfig
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mockTD = big.NewInt(1337)
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expectedCanonicalHeader map[string]interface{}
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)
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It("test init", func() {
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// db and type initializations
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var err error
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db, err = SetupDB()
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Expect(err).ToNot(HaveOccurred())
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transformer := indexer.NewStateDiffIndexer(chainConfig, db)
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backend, err = eth.NewEthBackend(db, ð.Config{
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ChainConfig: chainConfig,
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VmConfig: vm.Config{},
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RPCGasCap: big.NewInt(10000000000), // Max gas capacity for a rpc call.
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CacheConfig: pgipfsethdb.CacheConfig{
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Name: "eth_state",
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Size: 3000000, // 3MB
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ExpiryDuration: time.Hour,
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},
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})
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Expect(err).ToNot(HaveOccurred())
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api = eth.NewPublicEthAPI(backend, nil, false)
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// make the test blockchain (and state)
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blocks, receipts, chain = test_helpers.MakeChain(chainLength, test_helpers.Genesis, test_helpers.TestChainGen)
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params := statediff.Params{
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IntermediateStateNodes: true,
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IntermediateStorageNodes: true,
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}
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canonicalHeader := blocks[2].Header()
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expectedCanonicalHeader = map[string]interface{}{
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"number": (*hexutil.Big)(canonicalHeader.Number),
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"hash": canonicalHeader.Hash(),
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"parentHash": canonicalHeader.ParentHash,
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"nonce": canonicalHeader.Nonce,
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"mixHash": canonicalHeader.MixDigest,
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"sha3Uncles": canonicalHeader.UncleHash,
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"logsBloom": canonicalHeader.Bloom,
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"stateRoot": canonicalHeader.Root,
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"miner": canonicalHeader.Coinbase,
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"difficulty": (*hexutil.Big)(canonicalHeader.Difficulty),
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"extraData": hexutil.Bytes([]byte{}),
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"size": hexutil.Uint64(canonicalHeader.Size()),
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"gasLimit": hexutil.Uint64(canonicalHeader.GasLimit),
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"gasUsed": hexutil.Uint64(canonicalHeader.GasUsed),
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"timestamp": hexutil.Uint64(canonicalHeader.Time),
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"transactionsRoot": canonicalHeader.TxHash,
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"receiptsRoot": canonicalHeader.ReceiptHash,
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"totalDifficulty": (*hexutil.Big)(mockTD),
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}
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// iterate over the blocks, generating statediff payloads, and transforming the data into Postgres
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builder := statediff.NewBuilder(chain.StateCache())
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for i, block := range blocks {
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var args statediff.Args
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var rcts types.Receipts
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if i == 0 {
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args = statediff.Args{
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OldStateRoot: common.Hash{},
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NewStateRoot: block.Root(),
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BlockNumber: block.Number(),
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BlockHash: block.Hash(),
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}
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} else {
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args = statediff.Args{
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OldStateRoot: blocks[i-1].Root(),
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NewStateRoot: block.Root(),
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BlockNumber: block.Number(),
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BlockHash: block.Hash(),
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}
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rcts = receipts[i-1]
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}
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diff, err := builder.BuildStateDiffObject(args, params)
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Expect(err).ToNot(HaveOccurred())
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tx, err := transformer.PushBlock(block, rcts, mockTD)
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Expect(err).ToNot(HaveOccurred())
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for _, node := range diff.Nodes {
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err = transformer.PushStateNode(tx, node)
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Expect(err).ToNot(HaveOccurred())
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}
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err = tx.Close(err)
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Expect(err).ToNot(HaveOccurred())
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}
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// Insert some non-canonical data into the database so that we test our ability to discern canonicity
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indexAndPublisher := indexer.NewStateDiffIndexer(chainConfig, db)
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tx, err := indexAndPublisher.PushBlock(test_helpers.MockBlock, test_helpers.MockReceipts, test_helpers.MockBlock.Difficulty())
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Expect(err).ToNot(HaveOccurred())
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err = tx.Close(err)
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Expect(err).ToNot(HaveOccurred())
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// The non-canonical header has a child
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tx, err = indexAndPublisher.PushBlock(test_helpers.MockChild, test_helpers.MockReceipts, test_helpers.MockChild.Difficulty())
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Expect(err).ToNot(HaveOccurred())
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hash := sdtypes.CodeAndCodeHash{
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Hash: test_helpers.CodeHash,
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Code: test_helpers.ContractCode,
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}
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err = indexAndPublisher.PushCodeAndCodeHash(tx, hash)
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Expect(err).ToNot(HaveOccurred())
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err = tx.Close(err)
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Expect(err).ToNot(HaveOccurred())
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})
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defer It("test teardown", func() {
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eth.TearDownDB(db)
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chain.Stop()
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})
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Describe("eth_call", func() {
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It("Applies call args (tx data) on top of state, returning the result (e.g. a Getter method call)", func() {
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data, err := parsedABI.Pack("data")
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Expect(err).ToNot(HaveOccurred())
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bdata := hexutil.Bytes(data)
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callArgs := eth.CallArgs{
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To: &test_helpers.ContractAddr,
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Data: &bdata,
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}
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// Before contract deployment, returns nil
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res, err := api.Call(context.Background(), callArgs, rpc.BlockNumberOrHashWithNumber(0), nil)
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Expect(err).ToNot(HaveOccurred())
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Expect(res).To(BeNil())
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res, err = api.Call(context.Background(), callArgs, rpc.BlockNumberOrHashWithNumber(1), nil)
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Expect(err).ToNot(HaveOccurred())
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Expect(res).To(BeNil())
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// After deployment
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res, err = api.Call(context.Background(), callArgs, rpc.BlockNumberOrHashWithNumber(2), nil)
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Expect(err).ToNot(HaveOccurred())
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expectedRes := hexutil.Bytes(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000001"))
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Expect(res).To(Equal(expectedRes))
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res, err = api.Call(context.Background(), callArgs, rpc.BlockNumberOrHashWithNumber(3), nil)
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Expect(err).ToNot(HaveOccurred())
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expectedRes = hexutil.Bytes(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000003"))
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Expect(res).To(Equal(expectedRes))
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res, err = api.Call(context.Background(), callArgs, rpc.BlockNumberOrHashWithNumber(4), nil)
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Expect(err).ToNot(HaveOccurred())
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expectedRes = hexutil.Bytes(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000009"))
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Expect(res).To(Equal(expectedRes))
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res, err = api.Call(context.Background(), callArgs, rpc.BlockNumberOrHashWithNumber(5), nil)
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Expect(err).ToNot(HaveOccurred())
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expectedRes = hexutil.Bytes(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000000"))
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Expect(res).To(Equal(expectedRes))
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})
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})
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var (
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expectedContractBalance = (*hexutil.Big)(common.Big0)
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expectedBankBalanceBlock0 = (*hexutil.Big)(test_helpers.TestBankFunds)
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expectedAcct1BalanceBlock1 = (*hexutil.Big)(big.NewInt(10000))
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expectedBankBalanceBlock1 = (*hexutil.Big)(new(big.Int).Sub(test_helpers.TestBankFunds, big.NewInt(10000)))
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expectedAcct2BalanceBlock2 = (*hexutil.Big)(big.NewInt(1000))
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expectedBankBalanceBlock2 = (*hexutil.Big)(new(big.Int).Sub(expectedBankBalanceBlock1.ToInt(), big.NewInt(1000)))
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expectedAcct2BalanceBlock3 = (*hexutil.Big)(new(big.Int).Add(expectedAcct2BalanceBlock2.ToInt(), test_helpers.MiningReward))
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expectedAcct2BalanceBlock4 = (*hexutil.Big)(new(big.Int).Add(expectedAcct2BalanceBlock3.ToInt(), test_helpers.MiningReward))
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expectedAcct1BalanceBlock5 = (*hexutil.Big)(new(big.Int).Add(expectedAcct1BalanceBlock1.ToInt(), test_helpers.MiningReward))
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)
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Describe("eth_getBalance", func() {
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It("Retrieves the eth balance for the provided account address at the block with the provided number", func() {
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bal, err := api.GetBalance(ctx, test_helpers.TestBankAddress, rpc.BlockNumberOrHashWithNumber(0))
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Expect(err).ToNot(HaveOccurred())
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Expect(bal).To(Equal(expectedBankBalanceBlock0))
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bal, err = api.GetBalance(ctx, test_helpers.Account1Addr, rpc.BlockNumberOrHashWithNumber(1))
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Expect(err).ToNot(HaveOccurred())
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Expect(bal).To(Equal(expectedAcct1BalanceBlock1))
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bal, err = api.GetBalance(ctx, test_helpers.Account2Addr, rpc.BlockNumberOrHashWithNumber(1))
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Expect(err).ToNot(HaveOccurred())
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Expect(bal).To(Equal((*hexutil.Big)(common.Big0)))
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bal, err = api.GetBalance(ctx, test_helpers.ContractAddr, rpc.BlockNumberOrHashWithNumber(1))
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Expect(err).ToNot(HaveOccurred())
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Expect(bal).To(Equal((*hexutil.Big)(common.Big0)))
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bal, err = api.GetBalance(ctx, test_helpers.TestBankAddress, rpc.BlockNumberOrHashWithNumber(1))
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Expect(err).ToNot(HaveOccurred())
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Expect(bal).To(Equal(expectedBankBalanceBlock1))
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bal, err = api.GetBalance(ctx, test_helpers.Account1Addr, rpc.BlockNumberOrHashWithNumber(2))
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Expect(err).ToNot(HaveOccurred())
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Expect(bal).To(Equal(expectedAcct1BalanceBlock1))
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bal, err = api.GetBalance(ctx, test_helpers.Account2Addr, rpc.BlockNumberOrHashWithNumber(2))
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Expect(err).ToNot(HaveOccurred())
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Expect(bal).To(Equal(expectedAcct2BalanceBlock2))
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bal, err = api.GetBalance(ctx, test_helpers.ContractAddr, rpc.BlockNumberOrHashWithNumber(2))
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Expect(err).ToNot(HaveOccurred())
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Expect(bal).To(Equal(expectedContractBalance))
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bal, err = api.GetBalance(ctx, test_helpers.TestBankAddress, rpc.BlockNumberOrHashWithNumber(2))
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Expect(err).ToNot(HaveOccurred())
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Expect(bal).To(Equal(expectedBankBalanceBlock2))
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bal, err = api.GetBalance(ctx, test_helpers.Account1Addr, rpc.BlockNumberOrHashWithNumber(3))
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Expect(err).ToNot(HaveOccurred())
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Expect(bal).To(Equal(expectedAcct1BalanceBlock1))
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bal, err = api.GetBalance(ctx, test_helpers.Account2Addr, rpc.BlockNumberOrHashWithNumber(3))
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Expect(err).ToNot(HaveOccurred())
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Expect(bal).To(Equal(expectedAcct2BalanceBlock3))
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bal, err = api.GetBalance(ctx, test_helpers.ContractAddr, rpc.BlockNumberOrHashWithNumber(3))
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Expect(err).ToNot(HaveOccurred())
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Expect(bal).To(Equal(expectedContractBalance))
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bal, err = api.GetBalance(ctx, test_helpers.TestBankAddress, rpc.BlockNumberOrHashWithNumber(3))
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Expect(err).ToNot(HaveOccurred())
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Expect(bal).To(Equal(expectedBankBalanceBlock2))
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bal, err = api.GetBalance(ctx, test_helpers.Account1Addr, rpc.BlockNumberOrHashWithNumber(4))
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Expect(err).ToNot(HaveOccurred())
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Expect(bal).To(Equal(expectedAcct1BalanceBlock1))
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bal, err = api.GetBalance(ctx, test_helpers.Account2Addr, rpc.BlockNumberOrHashWithNumber(4))
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Expect(err).ToNot(HaveOccurred())
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Expect(bal).To(Equal(expectedAcct2BalanceBlock4))
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bal, err = api.GetBalance(ctx, test_helpers.ContractAddr, rpc.BlockNumberOrHashWithNumber(4))
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Expect(err).ToNot(HaveOccurred())
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Expect(bal).To(Equal(expectedContractBalance))
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bal, err = api.GetBalance(ctx, test_helpers.TestBankAddress, rpc.BlockNumberOrHashWithNumber(4))
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Expect(err).ToNot(HaveOccurred())
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Expect(bal).To(Equal(expectedBankBalanceBlock2))
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bal, err = api.GetBalance(ctx, test_helpers.Account1Addr, rpc.BlockNumberOrHashWithNumber(5))
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Expect(err).ToNot(HaveOccurred())
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Expect(bal).To(Equal(expectedAcct1BalanceBlock5))
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bal, err = api.GetBalance(ctx, test_helpers.Account2Addr, rpc.BlockNumberOrHashWithNumber(5))
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Expect(err).ToNot(HaveOccurred())
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Expect(bal).To(Equal(expectedAcct2BalanceBlock4))
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bal, err = api.GetBalance(ctx, test_helpers.ContractAddr, rpc.BlockNumberOrHashWithNumber(5))
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Expect(err).ToNot(HaveOccurred())
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Expect(bal).To(Equal(expectedContractBalance))
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bal, err = api.GetBalance(ctx, test_helpers.TestBankAddress, rpc.BlockNumberOrHashWithNumber(5))
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Expect(err).ToNot(HaveOccurred())
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Expect(bal).To(Equal(expectedBankBalanceBlock2))
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})
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It("Retrieves the eth balance for the provided account address at the block with the provided hash", func() {
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bal, err := api.GetBalance(ctx, test_helpers.TestBankAddress, rpc.BlockNumberOrHashWithHash(blocks[0].Hash(), true))
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Expect(err).ToNot(HaveOccurred())
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Expect(bal).To(Equal(expectedBankBalanceBlock0))
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bal, err = api.GetBalance(ctx, test_helpers.Account1Addr, rpc.BlockNumberOrHashWithHash(blocks[1].Hash(), true))
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Expect(err).ToNot(HaveOccurred())
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Expect(bal).To(Equal(expectedAcct1BalanceBlock1))
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bal, err = api.GetBalance(ctx, test_helpers.Account2Addr, rpc.BlockNumberOrHashWithHash(blocks[1].Hash(), true))
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Expect(err).ToNot(HaveOccurred())
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Expect(bal).To(Equal((*hexutil.Big)(common.Big0)))
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_, err = api.GetBalance(ctx, test_helpers.ContractAddr, rpc.BlockNumberOrHashWithHash(blocks[1].Hash(), true))
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Expect(err).ToNot(HaveOccurred())
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Expect(bal).To(Equal((*hexutil.Big)(common.Big0)))
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bal, err = api.GetBalance(ctx, test_helpers.TestBankAddress, rpc.BlockNumberOrHashWithHash(blocks[1].Hash(), true))
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Expect(err).ToNot(HaveOccurred())
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Expect(bal).To(Equal(expectedBankBalanceBlock1))
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bal, err = api.GetBalance(ctx, test_helpers.Account1Addr, rpc.BlockNumberOrHashWithHash(blocks[2].Hash(), true))
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Expect(err).ToNot(HaveOccurred())
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Expect(bal).To(Equal(expectedAcct1BalanceBlock1))
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bal, err = api.GetBalance(ctx, test_helpers.Account2Addr, rpc.BlockNumberOrHashWithHash(blocks[2].Hash(), true))
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Expect(err).ToNot(HaveOccurred())
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Expect(bal).To(Equal(expectedAcct2BalanceBlock2))
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bal, err = api.GetBalance(ctx, test_helpers.ContractAddr, rpc.BlockNumberOrHashWithHash(blocks[2].Hash(), true))
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Expect(err).ToNot(HaveOccurred())
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Expect(bal).To(Equal(expectedContractBalance))
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bal, err = api.GetBalance(ctx, test_helpers.TestBankAddress, rpc.BlockNumberOrHashWithHash(blocks[2].Hash(), true))
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Expect(err).ToNot(HaveOccurred())
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Expect(bal).To(Equal(expectedBankBalanceBlock2))
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bal, err = api.GetBalance(ctx, test_helpers.Account1Addr, rpc.BlockNumberOrHashWithHash(blocks[3].Hash(), true))
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Expect(err).ToNot(HaveOccurred())
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Expect(bal).To(Equal(expectedAcct1BalanceBlock1))
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bal, err = api.GetBalance(ctx, test_helpers.Account2Addr, rpc.BlockNumberOrHashWithHash(blocks[3].Hash(), true))
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Expect(err).ToNot(HaveOccurred())
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Expect(bal).To(Equal(expectedAcct2BalanceBlock3))
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bal, err = api.GetBalance(ctx, test_helpers.ContractAddr, rpc.BlockNumberOrHashWithHash(blocks[3].Hash(), true))
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Expect(err).ToNot(HaveOccurred())
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Expect(bal).To(Equal(expectedContractBalance))
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bal, err = api.GetBalance(ctx, test_helpers.TestBankAddress, rpc.BlockNumberOrHashWithHash(blocks[3].Hash(), true))
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Expect(err).ToNot(HaveOccurred())
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Expect(bal).To(Equal(expectedBankBalanceBlock2))
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bal, err = api.GetBalance(ctx, test_helpers.Account1Addr, rpc.BlockNumberOrHashWithHash(blocks[4].Hash(), true))
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Expect(err).ToNot(HaveOccurred())
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Expect(bal).To(Equal(expectedAcct1BalanceBlock1))
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bal, err = api.GetBalance(ctx, test_helpers.Account2Addr, rpc.BlockNumberOrHashWithHash(blocks[4].Hash(), true))
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Expect(err).ToNot(HaveOccurred())
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Expect(bal).To(Equal(expectedAcct2BalanceBlock4))
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bal, err = api.GetBalance(ctx, test_helpers.ContractAddr, rpc.BlockNumberOrHashWithHash(blocks[4].Hash(), true))
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Expect(err).ToNot(HaveOccurred())
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Expect(bal).To(Equal(expectedContractBalance))
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bal, err = api.GetBalance(ctx, test_helpers.TestBankAddress, rpc.BlockNumberOrHashWithHash(blocks[4].Hash(), true))
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Expect(err).ToNot(HaveOccurred())
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Expect(bal).To(Equal(expectedBankBalanceBlock2))
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bal, err = api.GetBalance(ctx, test_helpers.Account1Addr, rpc.BlockNumberOrHashWithHash(blocks[5].Hash(), true))
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Expect(err).ToNot(HaveOccurred())
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Expect(bal).To(Equal(expectedAcct1BalanceBlock5))
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bal, err = api.GetBalance(ctx, test_helpers.Account2Addr, rpc.BlockNumberOrHashWithHash(blocks[5].Hash(), true))
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Expect(err).ToNot(HaveOccurred())
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Expect(bal).To(Equal(expectedAcct2BalanceBlock4))
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bal, err = api.GetBalance(ctx, test_helpers.ContractAddr, rpc.BlockNumberOrHashWithHash(blocks[5].Hash(), true))
|
|
Expect(err).ToNot(HaveOccurred())
|
|
Expect(bal).To(Equal(expectedContractBalance))
|
|
|
|
bal, err = api.GetBalance(ctx, test_helpers.TestBankAddress, rpc.BlockNumberOrHashWithHash(blocks[5].Hash(), true))
|
|
Expect(err).ToNot(HaveOccurred())
|
|
Expect(bal).To(Equal(expectedBankBalanceBlock2))
|
|
})
|
|
It("Returns `0` for an account it cannot find the balance for an account at the provided block number", func() {
|
|
bal, err := api.GetBalance(ctx, test_helpers.Account1Addr, rpc.BlockNumberOrHashWithNumber(0))
|
|
Expect(err).ToNot(HaveOccurred())
|
|
Expect(bal).To(Equal((*hexutil.Big)(common.Big0)))
|
|
|
|
bal, err = api.GetBalance(ctx, test_helpers.Account2Addr, rpc.BlockNumberOrHashWithNumber(0))
|
|
Expect(err).ToNot(HaveOccurred())
|
|
Expect(bal).To(Equal((*hexutil.Big)(common.Big0)))
|
|
|
|
bal, err = api.GetBalance(ctx, test_helpers.ContractAddr, rpc.BlockNumberOrHashWithNumber(0))
|
|
Expect(err).ToNot(HaveOccurred())
|
|
Expect(bal).To(Equal((*hexutil.Big)(common.Big0)))
|
|
})
|
|
It("Returns `0` for an error for an account it cannot find the balance for an account at the provided block hash", func() {
|
|
bal, err := api.GetBalance(ctx, test_helpers.Account1Addr, rpc.BlockNumberOrHashWithHash(blocks[0].Hash(), true))
|
|
Expect(err).ToNot(HaveOccurred())
|
|
Expect(bal).To(Equal((*hexutil.Big)(common.Big0)))
|
|
|
|
bal, err = api.GetBalance(ctx, test_helpers.Account2Addr, rpc.BlockNumberOrHashWithHash(blocks[0].Hash(), true))
|
|
Expect(err).ToNot(HaveOccurred())
|
|
Expect(bal).To(Equal((*hexutil.Big)(common.Big0)))
|
|
|
|
bal, err = api.GetBalance(ctx, test_helpers.ContractAddr, rpc.BlockNumberOrHashWithHash(blocks[0].Hash(), true))
|
|
Expect(err).ToNot(HaveOccurred())
|
|
Expect(bal).To(Equal((*hexutil.Big)(common.Big0)))
|
|
|
|
})
|
|
})
|
|
|
|
Describe("eth_getCode", func() {
|
|
It("Retrieves the code for the provided contract address at the block with the provided number", func() {
|
|
code, err := api.GetCode(ctx, test_helpers.ContractAddr, rpc.BlockNumberOrHashWithNumber(3))
|
|
Expect(err).ToNot(HaveOccurred())
|
|
Expect(code).To(Equal((hexutil.Bytes)(test_helpers.ContractCode)))
|
|
|
|
code, err = api.GetCode(ctx, test_helpers.ContractAddr, rpc.BlockNumberOrHashWithNumber(5))
|
|
Expect(err).ToNot(HaveOccurred())
|
|
Expect(code).To(Equal((hexutil.Bytes)(test_helpers.ContractCode)))
|
|
})
|
|
It("Retrieves the code for the provided contract address at the block with the provided hash", func() {
|
|
code, err := api.GetCode(ctx, test_helpers.ContractAddr, rpc.BlockNumberOrHashWithHash(blocks[3].Hash(), true))
|
|
Expect(err).ToNot(HaveOccurred())
|
|
Expect(code).To(Equal((hexutil.Bytes)(test_helpers.ContractCode)))
|
|
|
|
code, err = api.GetCode(ctx, test_helpers.ContractAddr, rpc.BlockNumberOrHashWithHash(blocks[5].Hash(), true))
|
|
Expect(err).ToNot(HaveOccurred())
|
|
Expect(code).To(Equal((hexutil.Bytes)(test_helpers.ContractCode)))
|
|
})
|
|
It("Returns `nil` for an account it cannot find the code for", func() {
|
|
code, err := api.GetCode(ctx, randomAddr, rpc.BlockNumberOrHashWithHash(blocks[3].Hash(), true))
|
|
Expect(err).ToNot(HaveOccurred())
|
|
Expect(code).To(BeEmpty())
|
|
})
|
|
It("Returns `nil` for a contract that doesn't exist at this height", func() {
|
|
code, err := api.GetCode(ctx, test_helpers.ContractAddr, rpc.BlockNumberOrHashWithNumber(0))
|
|
Expect(err).ToNot(HaveOccurred())
|
|
Expect(code).To(BeEmpty())
|
|
})
|
|
})
|
|
|
|
Describe("eth_getStorageAt", func() {
|
|
It("Returns empty slice if it tries to access a contract which does not exist", func() {
|
|
storage, err := api.GetStorageAt(ctx, test_helpers.ContractAddr, test_helpers.ContractSlotKeyHash.Hex(), rpc.BlockNumberOrHashWithNumber(0))
|
|
Expect(err).NotTo(HaveOccurred())
|
|
Expect(storage).To(Equal(hexutil.Bytes(make([]byte, 32))))
|
|
|
|
storage, err = api.GetStorageAt(ctx, test_helpers.ContractAddr, test_helpers.ContractSlotKeyHash.Hex(), rpc.BlockNumberOrHashWithNumber(1))
|
|
Expect(err).NotTo(HaveOccurred())
|
|
Expect(storage).To(Equal(hexutil.Bytes(make([]byte, 32))))
|
|
})
|
|
It("Returns empty slice if it tries to access a contract slot which does not exist", func() {
|
|
storage, err := api.GetStorageAt(ctx, test_helpers.ContractAddr, randomHash.Hex(), rpc.BlockNumberOrHashWithNumber(2))
|
|
Expect(err).NotTo(HaveOccurred())
|
|
Expect(storage).To(Equal(hexutil.Bytes(make([]byte, 32))))
|
|
})
|
|
It("Retrieves the storage value at the provided contract address and storage leaf key at the block with the provided hash or number", func() {
|
|
// After deployment
|
|
val, err := api.GetStorageAt(ctx, test_helpers.ContractAddr, test_helpers.IndexOne, rpc.BlockNumberOrHashWithNumber(2))
|
|
Expect(err).ToNot(HaveOccurred())
|
|
expectedRes := hexutil.Bytes(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000001"))
|
|
Expect(val).To(Equal(expectedRes))
|
|
|
|
val, err = api.GetStorageAt(ctx, test_helpers.ContractAddr, test_helpers.IndexOne, rpc.BlockNumberOrHashWithNumber(3))
|
|
Expect(err).ToNot(HaveOccurred())
|
|
expectedRes = hexutil.Bytes(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000003"))
|
|
Expect(val).To(Equal(expectedRes))
|
|
|
|
val, err = api.GetStorageAt(ctx, test_helpers.ContractAddr, test_helpers.IndexOne, rpc.BlockNumberOrHashWithNumber(4))
|
|
Expect(err).ToNot(HaveOccurred())
|
|
expectedRes = hexutil.Bytes(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000009"))
|
|
Expect(val).To(Equal(expectedRes))
|
|
|
|
val, err = api.GetStorageAt(ctx, test_helpers.ContractAddr, test_helpers.IndexOne, rpc.BlockNumberOrHashWithNumber(5))
|
|
Expect(err).ToNot(HaveOccurred())
|
|
Expect(val).To(Equal(hexutil.Bytes{}))
|
|
})
|
|
It("Throws an error for a non-existing block hash", func() {
|
|
_, err := api.GetStorageAt(ctx, test_helpers.ContractAddr, test_helpers.IndexOne, rpc.BlockNumberOrHashWithHash(randomHash, true))
|
|
Expect(err).To(HaveOccurred())
|
|
Expect(err).To(MatchError("header for hash not found"))
|
|
})
|
|
It("Throws an error for a non-existing block number", func() {
|
|
_, err := api.GetStorageAt(ctx, test_helpers.ContractAddr, test_helpers.IndexOne, rpc.BlockNumberOrHashWithNumber(chainLength+1))
|
|
Expect(err).To(HaveOccurred())
|
|
Expect(err).To(MatchError("header not found"))
|
|
})
|
|
})
|
|
|
|
Describe("eth_getHeaderByNumber", func() {
|
|
It("Finds the canonical header based on the header's weight relative to others at the provided height", func() {
|
|
header, err := api.GetHeaderByNumber(ctx, number)
|
|
Expect(err).ToNot(HaveOccurred())
|
|
Expect(header).To(Equal(expectedCanonicalHeader))
|
|
})
|
|
})
|
|
})
|