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feat: added stub implementations for the rpc package
1 parent d11559e commit fefafb8

7 files changed

Lines changed: 870 additions & 1 deletion

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‎src/root.zig‎

Lines changed: 21 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -57,7 +57,27 @@ pub const providers = struct {
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pub const HttpProvider = @import("providers/http.zig").HttpProvider;
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};
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60-
pub const rpc = @import("rpc/client.zig");
60+
pub const rpc = struct {
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pub const client = @import("rpc/client.zig");
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pub const rpc_types = @import("rpc/types.zig");
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pub const eth = @import("rpc/eth.zig");
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pub const net = @import("rpc/net.zig");
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pub const web3 = @import("rpc/web3.zig");
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pub const debug = @import("rpc/debug.zig");
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// Re-export commonly used types
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pub const RpcClient = client.RpcClient;
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pub const HttpTransport = client.HttpTransport;
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pub const EthNamespace = eth.EthNamespace;
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pub const NetNamespace = net.NetNamespace;
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pub const Web3Namespace = web3.Web3Namespace;
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pub const DebugNamespace = debug.DebugNamespace;
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pub const BlockParameter = rpc_types.BlockParameter;
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pub const CallParams = rpc_types.CallParams;
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pub const TransactionParams = rpc_types.TransactionParams;
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pub const FilterOptions = rpc_types.FilterOptions;
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};
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6181
pub const contract = @import("contract/contract.zig");
6282
pub const signer = @import("signer/wallet.zig");
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‎src/rpc/client.zig‎

Lines changed: 148 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,148 @@
1+
const std = @import("std");
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const types = @import("./types.zig");
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/// JSON-RPC client for Ethereum
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pub const RpcClient = struct {
6+
allocator: std.mem.Allocator,
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endpoint: []const u8,
8+
next_id: u64,
9+
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/// Create a new RPC client
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pub fn init(allocator: std.mem.Allocator, endpoint: []const u8) !RpcClient {
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const endpoint_copy = try allocator.dupe(u8, endpoint);
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return .{
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.allocator = allocator,
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.endpoint = endpoint_copy,
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.next_id = 1,
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};
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}
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/// Free allocated memory
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pub fn deinit(self: RpcClient) void {
22+
self.allocator.free(self.endpoint);
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}
24+
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/// Get next request ID
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fn getNextId(self: *RpcClient) u64 {
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const id = self.next_id;
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self.next_id += 1;
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return id;
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}
31+
32+
/// Make a JSON-RPC call
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pub fn call(
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self: *RpcClient,
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method: []const u8,
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params: std.json.Value,
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) !std.json.Value {
38+
const id = self.getNextId();
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const request = try types.JsonRpcRequest.init(self.allocator, method, params, id);
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// TODO: Implement actual HTTP request
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// For now, return a placeholder
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_ = request;
44+
return error.NotImplemented;
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}
46+
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/// Make a JSON-RPC call with array parameters
48+
pub fn callWithParams(
49+
self: *RpcClient,
50+
method: []const u8,
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params: []const std.json.Value,
52+
) !std.json.Value {
53+
const params_array = std.json.Value{ .array = std.json.Array.fromOwnedSlice(self.allocator, @constCast(params)) };
54+
return try self.call(method, params_array);
55+
}
56+
57+
/// Make a JSON-RPC call with no parameters
58+
pub fn callNoParams(self: *RpcClient, method: []const u8) !std.json.Value {
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const params = std.json.Value{ .array = std.json.Array.init(self.allocator) };
60+
return try self.call(method, params);
61+
}
62+
};
63+
64+
/// HTTP transport for RPC client
65+
pub const HttpTransport = struct {
66+
allocator: std.mem.Allocator,
67+
url: []const u8,
68+
headers: std.StringHashMap([]const u8),
69+
70+
pub fn init(allocator: std.mem.Allocator, url: []const u8) !HttpTransport {
71+
const url_copy = try allocator.dupe(u8, url);
72+
return .{
73+
.allocator = allocator,
74+
.url = url_copy,
75+
.headers = std.StringHashMap([]const u8).init(allocator),
76+
};
77+
}
78+
79+
pub fn deinit(self: *HttpTransport) void {
80+
self.allocator.free(self.url);
81+
82+
var it = self.headers.iterator();
83+
while (it.next()) |entry| {
84+
self.allocator.free(entry.key_ptr.*);
85+
self.allocator.free(entry.value_ptr.*);
86+
}
87+
self.headers.deinit();
88+
}
89+
90+
pub fn addHeader(self: *HttpTransport, key: []const u8, value: []const u8) !void {
91+
const key_copy = try self.allocator.dupe(u8, key);
92+
const value_copy = try self.allocator.dupe(u8, value);
93+
try self.headers.put(key_copy, value_copy);
94+
}
95+
96+
pub fn send(self: *HttpTransport, request: []const u8) ![]u8 {
97+
// TODO: Implement actual HTTP request using std.http.Client
98+
_ = self;
99+
_ = request;
100+
return error.NotImplemented;
101+
}
102+
};
103+
104+
test "rpc client creation" {
105+
const allocator = std.testing.allocator;
106+
107+
const client = try RpcClient.init(allocator, "http://localhost:8545");
108+
defer client.deinit();
109+
110+
try std.testing.expectEqualStrings("http://localhost:8545", client.endpoint);
111+
try std.testing.expectEqual(@as(u64, 1), client.next_id);
112+
}
113+
114+
test "rpc client id increment" {
115+
const allocator = std.testing.allocator;
116+
117+
var client = try RpcClient.init(allocator, "http://localhost:8545");
118+
defer client.deinit();
119+
120+
const id1 = client.getNextId();
121+
const id2 = client.getNextId();
122+
const id3 = client.getNextId();
123+
124+
try std.testing.expectEqual(@as(u64, 1), id1);
125+
try std.testing.expectEqual(@as(u64, 2), id2);
126+
try std.testing.expectEqual(@as(u64, 3), id3);
127+
}
128+
129+
test "http transport creation" {
130+
const allocator = std.testing.allocator;
131+
132+
var transport = try HttpTransport.init(allocator, "http://localhost:8545");
133+
defer transport.deinit();
134+
135+
try std.testing.expectEqualStrings("http://localhost:8545", transport.url);
136+
}
137+
138+
test "http transport headers" {
139+
const allocator = std.testing.allocator;
140+
141+
var transport = try HttpTransport.init(allocator, "http://localhost:8545");
142+
defer transport.deinit();
143+
144+
try transport.addHeader("Content-Type", "application/json");
145+
try transport.addHeader("Authorization", "Bearer token123");
146+
147+
try std.testing.expectEqual(@as(usize, 2), transport.headers.count());
148+
}

‎src/rpc/debug.zig‎

Lines changed: 189 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,189 @@
1+
const std = @import("std");
2+
const RpcClient = @import("./client.zig").RpcClient;
3+
const types = @import("./types.zig");
4+
const Hash = @import("../primitives/hash.zig").Hash;
5+
const Address = @import("../primitives/address.zig").Address;
6+
const U256 = @import("../primitives/uint.zig").U256;
7+
8+
/// Debug namespace (debug_*) methods
9+
/// These methods are typically only available on development nodes
10+
pub const DebugNamespace = struct {
11+
client: *RpcClient,
12+
13+
pub fn init(client: *RpcClient) DebugNamespace {
14+
return .{ .client = client };
15+
}
16+
17+
/// debug_traceTransaction - Returns the trace of a transaction
18+
pub fn traceTransaction(self: DebugNamespace, hash: Hash, options: ?TraceOptions) !TraceResult {
19+
_ = self;
20+
_ = hash;
21+
_ = options;
22+
return error.NotImplemented;
23+
}
24+
25+
/// debug_traceBlockByNumber - Returns the trace of all transactions in a block
26+
pub fn traceBlockByNumber(self: DebugNamespace, block: types.BlockParameter, options: ?TraceOptions) ![]TraceResult {
27+
_ = self;
28+
_ = block;
29+
_ = options;
30+
return error.NotImplemented;
31+
}
32+
33+
/// debug_traceBlockByHash - Returns the trace of all transactions in a block
34+
pub fn traceBlockByHash(self: DebugNamespace, hash: Hash, options: ?TraceOptions) ![]TraceResult {
35+
_ = self;
36+
_ = hash;
37+
_ = options;
38+
return error.NotImplemented;
39+
}
40+
41+
/// debug_traceCall - Executes and returns trace of a call
42+
pub fn traceCall(
43+
self: DebugNamespace,
44+
call_params: types.CallParams,
45+
block: types.BlockParameter,
46+
options: ?TraceOptions,
47+
) !TraceResult {
48+
_ = self;
49+
_ = call_params;
50+
_ = block;
51+
_ = options;
52+
return error.NotImplemented;
53+
}
54+
55+
/// debug_storageRangeAt - Returns storage range
56+
pub fn storageRangeAt(
57+
self: DebugNamespace,
58+
block_hash: Hash,
59+
tx_index: u64,
60+
address: Address,
61+
start_key: Hash,
62+
limit: u64,
63+
) !StorageRange {
64+
_ = self;
65+
_ = block_hash;
66+
_ = tx_index;
67+
_ = address;
68+
_ = start_key;
69+
_ = limit;
70+
return error.NotImplemented;
71+
}
72+
73+
/// debug_getModifiedAccountsByNumber - Returns accounts modified in a block
74+
pub fn getModifiedAccountsByNumber(
75+
self: DebugNamespace,
76+
start_block: u64,
77+
end_block: u64,
78+
) ![]Address {
79+
_ = self;
80+
_ = start_block;
81+
_ = end_block;
82+
return error.NotImplemented;
83+
}
84+
85+
/// debug_getModifiedAccountsByHash - Returns accounts modified in a block
86+
pub fn getModifiedAccountsByHash(
87+
self: DebugNamespace,
88+
start_hash: Hash,
89+
end_hash: Hash,
90+
) ![]Address {
91+
_ = self;
92+
_ = start_hash;
93+
_ = end_hash;
94+
return error.NotImplemented;
95+
}
96+
};
97+
98+
/// Trace options for debug calls
99+
pub const TraceOptions = struct {
100+
disable_storage: ?bool = null,
101+
disable_stack: ?bool = null,
102+
enable_memory: ?bool = null,
103+
enable_return_data: ?bool = null,
104+
tracer: ?[]const u8 = null,
105+
timeout: ?[]const u8 = null,
106+
};
107+
108+
/// Result of a trace operation
109+
pub const TraceResult = struct {
110+
gas: u64,
111+
return_value: []const u8,
112+
struct_logs: []StructLog,
113+
allocator: std.mem.Allocator,
114+
115+
pub fn deinit(self: TraceResult) void {
116+
self.allocator.free(self.return_value);
117+
for (self.struct_logs) |log| {
118+
log.deinit();
119+
}
120+
if (self.struct_logs.len > 0) {
121+
self.allocator.free(self.struct_logs);
122+
}
123+
}
124+
};
125+
126+
/// Individual step in execution trace
127+
pub const StructLog = struct {
128+
pc: u64,
129+
op: []const u8,
130+
gas: u64,
131+
gas_cost: u64,
132+
depth: u64,
133+
stack: ?[]U256 = null,
134+
memory: ?[]const u8 = null,
135+
storage: ?std.StringHashMap(Hash) = null,
136+
allocator: std.mem.Allocator,
137+
138+
pub fn deinit(self: StructLog) void {
139+
if (self.stack) |stack| {
140+
self.allocator.free(stack);
141+
}
142+
if (self.memory) |memory| {
143+
self.allocator.free(memory);
144+
}
145+
if (self.storage) |*storage| {
146+
var it = storage.iterator();
147+
while (it.next()) |entry| {
148+
self.allocator.free(entry.key_ptr.*);
149+
}
150+
storage.deinit();
151+
}
152+
}
153+
};
154+
155+
/// Storage range result
156+
pub const StorageRange = struct {
157+
storage: std.StringHashMap(StorageEntry),
158+
next_key: ?Hash,
159+
allocator: std.mem.Allocator,
160+
161+
pub const StorageEntry = struct {
162+
key: Hash,
163+
value: Hash,
164+
};
165+
166+
pub fn deinit(self: *StorageRange) void {
167+
var it = self.storage.iterator();
168+
while (it.next()) |entry| {
169+
self.allocator.free(entry.key_ptr.*);
170+
}
171+
self.storage.deinit();
172+
}
173+
};
174+
175+
test "debug namespace creation" {
176+
const allocator = std.testing.allocator;
177+
178+
var client = try RpcClient.init(allocator, "http://localhost:8545");
179+
defer client.deinit();
180+
181+
const debug = DebugNamespace.init(&client);
182+
try std.testing.expect(debug.client.endpoint.len > 0);
183+
}
184+
185+
test "trace options default" {
186+
const options = TraceOptions{};
187+
try std.testing.expect(options.disable_storage == null);
188+
try std.testing.expect(options.disable_stack == null);
189+
}

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