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")
+}
+