Add full monorepo: virtual-banker, backend, frontend, docs, scripts, deployment

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/api/graphql/resolvers.go

@@ -0,0 +1,81 @@
+package graphql
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/jackc/pgx/v5/pgxpool"
+)
+
+// Resolver handles GraphQL queries
+type Resolver struct {
+	db      *pgxpool.Pool
+	chainID int
+}
+
+// NewResolver creates a new GraphQL resolver
+func NewResolver(db *pgxpool.Pool, chainID int) *Resolver {
+	return &Resolver{
+		db:      db,
+		chainID: chainID,
+	}
+}
+
+// BlockResolver resolves Block queries
+type BlockResolver struct {
+	db      *pgxpool.Pool
+	chainID int
+	block   *Block
+}
+
+// Block represents a block in GraphQL
+type Block struct {
+	ChainID         int32
+	Number          int32
+	Hash            string
+	ParentHash      string
+	Timestamp       string
+	Miner           string
+	TransactionCount int32
+	GasUsed         int64
+	GasLimit        int64
+}
+
+// TransactionResolver resolves Transaction queries
+type TransactionResolver struct {
+	db      *pgxpool.Pool
+	chainID int
+	tx      *Transaction
+}
+
+// Transaction represents a transaction in GraphQL
+type Transaction struct {
+	ChainID    int32
+	Hash       string
+	BlockNumber int32
+	From       string
+	To         *string
+	Value      string
+	GasPrice   *int64
+	GasUsed    *int64
+	Status     *int32
+}
+
+// ResolveBlock resolves block query
+func (r *Resolver) ResolveBlock(ctx context.Context, args struct {
+	ChainID int32
+	Number  *int32
+}) (*BlockResolver, error) {
+	// Implementation would fetch block from database
+	return nil, fmt.Errorf("not implemented")
+}
+
+// ResolveTransaction resolves transaction query
+func (r *Resolver) ResolveTransaction(ctx context.Context, args struct {
+	ChainID int32
+	Hash    string
+}) (*TransactionResolver, error) {
+	// Implementation would fetch transaction from database
+	return nil, fmt.Errorf("not implemented")
+}
+

backend/api/graphql/schema.graphql

@@ -0,0 +1,102 @@
+type Query {
+  block(chainId: Int!, number: Int): Block
+  blockByHash(chainId: Int!, hash: String!): Block
+  blocks(chainId: Int!, page: Int, pageSize: Int): BlockConnection!
+  
+  transaction(chainId: Int!, hash: String!): Transaction
+  transactions(chainId: Int!, page: Int, pageSize: Int): TransactionConnection!
+  
+  address(chainId: Int!, address: String!): Address
+}
+
+type Block {
+  chainId: Int!
+  number: Int!
+  hash: String!
+  parentHash: String!
+  timestamp: String!
+  miner: String!
+  transactionCount: Int!
+  gasUsed: Int!
+  gasLimit: Int!
+  transactions: [Transaction!]!
+}
+
+type Transaction {
+  chainId: Int!
+  hash: String!
+  blockNumber: Int!
+  from: String!
+  to: String
+  value: String!
+  gasPrice: Int
+  gasUsed: Int
+  status: Int
+  logs: [Log!]!
+  trace: Trace
+}
+
+type Log {
+  address: String!
+  topics: [String!]!
+  data: String!
+  logIndex: Int!
+}
+
+type Trace {
+  calls: [CallTrace!]!
+}
+
+type CallTrace {
+  type: String!
+  from: String!
+  to: String!
+  value: String!
+  gas: Int!
+  gasUsed: Int!
+  input: String!
+  output: String!
+}
+
+type Address {
+  address: String!
+  chainId: Int!
+  transactionCount: Int!
+  tokenCount: Int!
+  isContract: Boolean!
+  label: String
+  tags: [String!]!
+}
+
+type BlockConnection {
+  edges: [BlockEdge!]!
+  pageInfo: PageInfo!
+}
+
+type BlockEdge {
+  node: Block!
+  cursor: String!
+}
+
+type TransactionConnection {
+  edges: [TransactionEdge!]!
+  pageInfo: PageInfo!
+}
+
+type TransactionEdge {
+  node: Transaction!
+  cursor: String!
+}
+
+type PageInfo {
+  hasNextPage: Boolean!
+  hasPreviousPage: Boolean!
+  startCursor: String
+  endCursor: String
+}
+
+type Subscription {
+  newBlock(chainId: Int!): Block!
+  newTransaction(chainId: Int!): Transaction!
+}
+