Extract Attributes to contract struct
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687af1f3d4
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@ -1,10 +1,14 @@
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package core
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type Contract struct {
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Attributes ContractAttributes
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}
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type Blockchain interface {
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GetBlockByNumber(blockNumber int64) Block
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SubscribeToBlocks(blocks chan Block)
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StartListening()
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StopListening()
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GetContractAttributes(contractHash string) (ContractAttributes, error)
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GetContract(contractHash string) (Contract, error)
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GetContractStateAttribute(contractHash string, attributeName string) (interface{}, error)
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}
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@ -13,16 +13,9 @@ type Blockchain struct {
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WasToldToStop bool
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}
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func (blockchain *Blockchain) GetContractAttributes(contractHash string) (core.ContractAttributes, error) {
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var contractAttributes core.ContractAttributes
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attributes, ok := blockchain.contractAttributes[contractHash]
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if ok {
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for key, _ := range attributes {
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contractAttributes = append(contractAttributes, core.ContractAttribute{Name: key, Type: "string"})
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}
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}
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sort.Sort(contractAttributes)
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return contractAttributes, nil
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func (blockchain *Blockchain) GetContract(contractHash string) (core.Contract, error) {
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contractAttributes, err := blockchain.getContractAttributes(contractHash)
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return core.Contract{Attributes: contractAttributes}, err
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}
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func (blockchain *Blockchain) GetContractStateAttribute(contractHash string, attributeName string) (interface{}, error) {
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@ -73,3 +66,15 @@ func (blockchain *Blockchain) SetContractStateAttribute(contractHash string, att
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}
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blockchain.contractAttributes[contractHash][attributeName] = attributeValue
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}
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func (blockchain *Blockchain) getContractAttributes(contractHash string) (core.ContractAttributes, error) {
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var contractAttributes core.ContractAttributes
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attributes, ok := blockchain.contractAttributes[contractHash]
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if ok {
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for key, _ := range attributes {
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contractAttributes = append(contractAttributes, core.ContractAttribute{Name: key, Type: "string"})
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}
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}
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sort.Sort(contractAttributes)
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return contractAttributes, nil
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}
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@ -17,18 +17,13 @@ var (
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ErrInvalidStateAttribute = errors.New("invalid state attribute")
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)
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func (blockchain *GethBlockchain) GetContractAttributes(contractHash string) (core.ContractAttributes, error) {
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abiFilePath := filepath.Join(config.ProjectRoot(), "contracts", "public", fmt.Sprintf("%s.json", contractHash))
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parsed, _ := ParseAbiFile(abiFilePath)
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var contractAttributes core.ContractAttributes
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for _, abiElement := range parsed.Methods {
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if (len(abiElement.Outputs) > 0) && (len(abiElement.Inputs) == 0) && abiElement.Const {
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attributeType := abiElement.Outputs[0].Type.String()
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contractAttributes = append(contractAttributes, core.ContractAttribute{abiElement.Name, attributeType})
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}
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func (blockchain *GethBlockchain) GetContract(contractHash string) (core.Contract, error) {
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attributes, err := blockchain.getContractAttributes(contractHash)
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if err != nil {
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return core.Contract{}, err
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} else {
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return core.Contract{Attributes: attributes}, nil
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}
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sort.Sort(contractAttributes)
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return contractAttributes, nil
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}
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func (blockchain *GethBlockchain) GetContractStateAttribute(contractHash string, attributeName string) (interface{}, error) {
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@ -44,6 +39,20 @@ func (blockchain *GethBlockchain) GetContractStateAttribute(contractHash string,
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return result, nil
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}
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func (blockchain *GethBlockchain) getContractAttributes(contractHash string) (core.ContractAttributes, error) {
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abiFilePath := filepath.Join(config.ProjectRoot(), "contracts", "public", fmt.Sprintf("%s.json", contractHash))
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parsed, _ := ParseAbiFile(abiFilePath)
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var contractAttributes core.ContractAttributes
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for _, abiElement := range parsed.Methods {
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if (len(abiElement.Outputs) > 0) && (len(abiElement.Inputs) == 0) && abiElement.Const {
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attributeType := abiElement.Outputs[0].Type.String()
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contractAttributes = append(contractAttributes, core.ContractAttribute{abiElement.Name, attributeType})
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}
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}
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sort.Sort(contractAttributes)
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return contractAttributes, nil
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}
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func bindContract(address common.Address, caller bind.ContractCaller, transactor bind.ContractTransactor) (*bind.BoundContract, error) {
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abiFilePath := filepath.Join(config.ProjectRoot(), "contracts", "public", fmt.Sprintf("%s.json", address.Hex()))
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parsed, err := ParseAbiFile(abiFilePath)
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@ -1,88 +1,88 @@
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package geth_test
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//import (
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// cfg "github.com/8thlight/vulcanizedb/pkg/config"
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// "github.com/8thlight/vulcanizedb/pkg/geth"
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// "github.com/8thlight/vulcanizedb/pkg/geth/testing"
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// . "github.com/onsi/ginkgo"
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// . "github.com/onsi/gomega"
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//)
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//
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//var _ = Describe("Reading contracts", func() {
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//
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// Describe("Reading the list of attributes", func() {
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// It("returns a string attribute for a real contract", func() {
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// config, _ := cfg.NewConfig("public")
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// blockchain := geth.NewGethBlockchain(config.Client.IPCPath)
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// contractHash := "0xd26114cd6EE289AccF82350c8d8487fedB8A0C07"
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//
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// attributes, err := blockchain.GetContractAttributes(contractHash)
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//
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// Expect(err).To(BeNil())
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// Expect(len(attributes)).NotTo(Equal(0))
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// symbolAttribute := *testing.FindAttribute(attributes, "symbol")
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// Expect(symbolAttribute.Name).To(Equal("symbol"))
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// Expect(symbolAttribute.Type).To(Equal("string"))
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// })
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//
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// It("does not return an attribute that takes an input", func() {
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// config, _ := cfg.NewConfig("public")
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// blockchain := geth.NewGethBlockchain(config.Client.IPCPath)
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// contractHash := "0xd26114cd6EE289AccF82350c8d8487fedB8A0C07"
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//
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// attributes, err := blockchain.GetContractAttributes(contractHash)
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//
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// Expect(err).To(BeNil())
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// attribute := testing.FindAttribute(attributes, "balanceOf")
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// Expect(attribute).To(BeNil())
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// })
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//
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// It("does not return an attribute that is not constant", func() {
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// config, _ := cfg.NewConfig("public")
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// blockchain := geth.NewGethBlockchain(config.Client.IPCPath)
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// contractHash := "0xd26114cd6EE289AccF82350c8d8487fedB8A0C07"
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//
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// attributes, err := blockchain.GetContractAttributes(contractHash)
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//
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// Expect(err).To(BeNil())
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// attribute := testing.FindAttribute(attributes, "unpause")
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// Expect(attribute).To(BeNil())
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// })
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// })
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//
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// Describe("Getting a contract attribute", func() {
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// It("returns the correct attribute for a real contract", func() {
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// config, _ := cfg.NewConfig("public")
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// blockchain := geth.NewGethBlockchain(config.Client.IPCPath)
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// contractHash := "0xd26114cd6EE289AccF82350c8d8487fedB8A0C07"
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//
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// name, err := blockchain.GetContractStateAttribute(contractHash, "name")
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//
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// Expect(name).To(Equal("OMGToken"))
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// Expect(err).To(BeNil())
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// })
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//
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// It("returns an error when there is no ABI for the given contract", func() {
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// config, _ := cfg.NewConfig("public")
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// blockchain := geth.NewGethBlockchain(config.Client.IPCPath)
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// contractHash := "MISSINGHASH"
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//
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// name, err := blockchain.GetContractStateAttribute(contractHash, "name")
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//
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// Expect(name).To(BeNil())
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// Expect(err).To(Equal(geth.ErrMissingAbiFile))
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// })
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//
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// It("returns an error when asking for an attribute that does not exist", func() {
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// config, _ := cfg.NewConfig("public")
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// blockchain := geth.NewGethBlockchain(config.Client.IPCPath)
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// contractHash := "0xd26114cd6EE289AccF82350c8d8487fedB8A0C07"
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//
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// name, err := blockchain.GetContractStateAttribute(contractHash, "missing_attribute")
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//
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// Expect(err).To(Equal(geth.ErrInvalidStateAttribute))
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// Expect(name).To(BeNil())
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// })
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// })
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//
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//})
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import (
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cfg "github.com/8thlight/vulcanizedb/pkg/config"
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"github.com/8thlight/vulcanizedb/pkg/geth"
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"github.com/8thlight/vulcanizedb/pkg/geth/testing"
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. "github.com/onsi/ginkgo"
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. "github.com/onsi/gomega"
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)
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var _ = Describe("Reading contracts", func() {
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Describe("Reading the list of attributes", func() {
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It("returns a string attribute for a real contract", func() {
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config, _ := cfg.NewConfig("public")
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blockchain := geth.NewGethBlockchain(config.Client.IPCPath)
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contractHash := "0xd26114cd6EE289AccF82350c8d8487fedB8A0C07"
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contract, err := blockchain.GetContract(contractHash)
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Expect(err).To(BeNil())
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Expect(len(contract.Attributes)).NotTo(Equal(0))
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symbolAttribute := *testing.FindAttribute(contract.Attributes, "symbol")
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Expect(symbolAttribute.Name).To(Equal("symbol"))
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Expect(symbolAttribute.Type).To(Equal("string"))
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})
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It("does not return an attribute that takes an input", func() {
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config, _ := cfg.NewConfig("public")
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blockchain := geth.NewGethBlockchain(config.Client.IPCPath)
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contractHash := "0xd26114cd6EE289AccF82350c8d8487fedB8A0C07"
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contract, err := blockchain.GetContract(contractHash)
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Expect(err).To(BeNil())
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attribute := testing.FindAttribute(contract.Attributes, "balanceOf")
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Expect(attribute).To(BeNil())
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})
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It("does not return an attribute that is not constant", func() {
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config, _ := cfg.NewConfig("public")
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blockchain := geth.NewGethBlockchain(config.Client.IPCPath)
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contractHash := "0xd26114cd6EE289AccF82350c8d8487fedB8A0C07"
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contract, err := blockchain.GetContract(contractHash)
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Expect(err).To(BeNil())
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attribute := testing.FindAttribute(contract.Attributes, "unpause")
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Expect(attribute).To(BeNil())
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})
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})
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Describe("Getting a contract attribute", func() {
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It("returns the correct attribute for a real contract", func() {
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config, _ := cfg.NewConfig("public")
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blockchain := geth.NewGethBlockchain(config.Client.IPCPath)
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contractHash := "0xd26114cd6EE289AccF82350c8d8487fedB8A0C07"
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name, err := blockchain.GetContractStateAttribute(contractHash, "name")
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Expect(name).To(Equal("OMGToken"))
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Expect(err).To(BeNil())
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})
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It("returns an error when there is no ABI for the given contract", func() {
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config, _ := cfg.NewConfig("public")
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blockchain := geth.NewGethBlockchain(config.Client.IPCPath)
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contractHash := "MISSINGHASH"
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name, err := blockchain.GetContractStateAttribute(contractHash, "name")
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Expect(name).To(BeNil())
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Expect(err).To(Equal(geth.ErrMissingAbiFile))
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})
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It("returns an error when asking for an attribute that does not exist", func() {
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config, _ := cfg.NewConfig("public")
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blockchain := geth.NewGethBlockchain(config.Client.IPCPath)
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contractHash := "0xd26114cd6EE289AccF82350c8d8487fedB8A0C07"
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name, err := blockchain.GetContractStateAttribute(contractHash, "missing_attribute")
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Expect(err).To(Equal(geth.ErrInvalidStateAttribute))
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Expect(name).To(BeNil())
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})
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})
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})
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@ -35,13 +35,13 @@ func (contractSummary ContractSummary) GetStateAttribute(attributeName string) i
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}
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func newContractSummary(blockchain core.Blockchain, watchedContract core.WatchedContract) *ContractSummary {
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attributes, _ := blockchain.GetContractAttributes(watchedContract.Hash)
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contract, _ := blockchain.GetContract(watchedContract.Hash)
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return &ContractSummary{
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blockChain: blockchain,
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ContractHash: watchedContract.Hash,
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NumberOfTransactions: len(watchedContract.Transactions),
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LastTransaction: lastTransaction(watchedContract),
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Attributes: attributes,
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Attributes: contract.Attributes,
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}
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}
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