feat: add timestamp and txType to event payload

* closes #39

internal/filter/gas_filter.go

@@ -4,6 +4,7 @@ import (
 	"context"
 
 	"github.com/celo-org/celo-blockchain/common"
+	"github.com/celo-org/celo-blockchain/common/hexutil"
 	"github.com/grassrootseconomics/celoutils"
 	"github.com/grassrootseconomics/cic-chain-events/internal/pub"
 	"github.com/grassrootseconomics/cic-chain-events/pkg/fetch"
@@ -53,9 +54,11 @@ func (f *GasFilter) Execute(_ context.Context, transaction *fetch.Transaction) (
 		giveToEvent := &pub.MinimalTxInfo{
 			Block:           transaction.Block.Number,
 			ContractAddress: celoutils.ChecksumAddress(transaction.To.Address),
+			Timestamp:       hexutil.MustDecodeUint64(transaction.Block.Timestamp),
 			To:              address.Hex(),
 			TxHash:          transaction.Hash,
 			TxIndex:         transaction.Index,
+			TXType:          "gas",
 		}
 
 		if transaction.Status == 1 {

internal/filter/register_filter.go

@@ -4,6 +4,7 @@ import (
 	"context"
 
 	"github.com/celo-org/celo-blockchain/common"
+	"github.com/celo-org/celo-blockchain/common/hexutil"
 	"github.com/grassrootseconomics/celoutils"
 	"github.com/grassrootseconomics/cic-chain-events/internal/pub"
 	"github.com/grassrootseconomics/cic-chain-events/pkg/fetch"
@@ -53,9 +54,11 @@ func (f *RegisterFilter) Execute(_ context.Context, transaction *fetch.Transacti
 		addEvent := &pub.MinimalTxInfo{
 			Block:           transaction.Block.Number,
 			ContractAddress: celoutils.ChecksumAddress(transaction.To.Address),
+			Timestamp:       hexutil.MustDecodeUint64(transaction.Block.Timestamp),
 			To:              address.Hex(),
 			TxHash:          transaction.Hash,
 			TxIndex:         transaction.Index,
+			TXType:          "register",
 		}
 
 		if transaction.Status == 1 {

internal/filter/token_index_filter.go

@@ -6,6 +6,7 @@ import (
 	"sync"
 
 	"github.com/celo-org/celo-blockchain/common"
+	"github.com/celo-org/celo-blockchain/common/hexutil"
 	"github.com/grassrootseconomics/celoutils"
 	"github.com/grassrootseconomics/cic-chain-events/internal/pub"
 	"github.com/grassrootseconomics/cic-chain-events/pkg/fetch"
@@ -60,9 +61,11 @@ func (f *TokenIndexFilter) Execute(_ context.Context, transaction *fetch.Transac
 		addEvent := &pub.MinimalTxInfo{
 			Block:           transaction.Block.Number,
 			ContractAddress: celoutils.ChecksumAddress(transaction.To.Address),
+			Timestamp:       hexutil.MustDecodeUint64(transaction.Block.Timestamp),
 			To:              address.Hex(),
 			TxHash:          transaction.Hash,
 			TxIndex:         transaction.Index,
+			TXType:          "tokenAdd",
 		}
 
 		if transaction.Status == 1 {

internal/filter/transfer_filter.go

@@ -5,6 +5,7 @@ import (
 	"math/big"
 
 	"github.com/celo-org/celo-blockchain/common"
+	"github.com/celo-org/celo-blockchain/common/hexutil"
 	"github.com/grassrootseconomics/celoutils"
 	"github.com/grassrootseconomics/cic-chain-events/internal/pub"
 	"github.com/grassrootseconomics/cic-chain-events/pkg/fetch"
@@ -60,10 +61,12 @@ func (f *TransferFilter) Execute(_ context.Context, transaction *fetch.Transacti
 		transferEvent := &pub.MinimalTxInfo{
 			Block:           transaction.Block.Number,
 			From:            celoutils.ChecksumAddress(transaction.From.Address),
+			Timestamp:       hexutil.MustDecodeUint64(transaction.Block.Timestamp),
 			To:              to.Hex(),
 			ContractAddress: celoutils.ChecksumAddress(transaction.To.Address),
 			TxHash:          transaction.Hash,
 			TxIndex:         transaction.Index,
+			TXType:          "transfer",
 			Value:           value.Uint64(),
 		}
 
@@ -94,10 +97,12 @@ func (f *TransferFilter) Execute(_ context.Context, transaction *fetch.Transacti
 		transferEvent := &pub.MinimalTxInfo{
 			Block:           transaction.Block.Number,
 			From:            from.Hex(),
+			Timestamp:       hexutil.MustDecodeUint64(transaction.Block.Timestamp),
 			To:              to.Hex(),
 			ContractAddress: celoutils.ChecksumAddress(transaction.To.Address),
 			TxHash:          transaction.Hash,
 			TxIndex:         transaction.Index,
+			TXType:          "transferFrom",
 			Value:           value.Uint64(),
 		}
 
@@ -127,10 +132,12 @@ func (f *TransferFilter) Execute(_ context.Context, transaction *fetch.Transacti
 		transferEvent := &pub.MinimalTxInfo{
 			Block:           transaction.Block.Number,
 			From:            celoutils.ChecksumAddress(transaction.From.Address),
+			Timestamp:       hexutil.MustDecodeUint64(transaction.Block.Timestamp),
 			To:              to.Hex(),
 			ContractAddress: celoutils.ChecksumAddress(transaction.To.Address),
 			TxHash:          transaction.Hash,
 			TxIndex:         transaction.Index,
+			TXType:          "mintTo",
 			Value:           value.Uint64(),
 		}
 

internal/pub/jetstream.go

@@ -31,8 +31,10 @@ type (
 		To              string `json:"to"`
 		ContractAddress string `json:"contractAddress"`
 		Success         bool   `json:"success"`
+		Timestamp       uint64 `json:"timestamp"`
 		TxHash          string `json:"transactionHash"`
 		TxIndex         uint   `json:"transactionIndex"`
+		TXType          string `json:"txType"`
 		Value           uint64 `json:"value"`
 	}
 )