test: Add regression tests

tests/run_tests.sh

@@ -0,0 +1,49 @@
+#!/bin/bash
+
+set -e
+
+export ETH_RPC_URL="${ETH_RPC_URL:-wss://hl-archive-node.xyz}"
+
+success() {
+    echo "Success: $1"
+}
+
+fail() {
+    echo "Failed: $1"
+    exit 1
+}
+
+ensure_cmd() {
+    command -v "$1" > /dev/null 2>&1 || fail "$1 is required"
+}
+
+ensure_cmd jq
+ensure_cmd cast
+ensure_cmd wscat
+
+if [[ ! "$ETH_RPC_URL" =~ ^wss?:// ]]; then
+    fail "ETH_RPC_URL must be a websocket url"
+fi
+
+TITLE="Issue #78 - eth_getLogs should return system transactions"
+cast logs \
+    --rpc-url "$ETH_RPC_URL" \
+    --from-block 15312567 \
+    --to-block 15312570 \
+    --address 0x9fdbda0a5e284c32744d2f17ee5c74b284993463 \
+    0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef \
+    | grep -q "0x00000000000000000000000020000000000000000000000000000000000000c5" \
+    && success "$TITLE" || fail "$TITLE"
+
+TITLE="Issue #78 - eth_getBlockByNumber should return the same logsBloom as official RPC"
+OFFICIAL_RPC="https://rpc.hyperliquid.xyz/evm"
+A=$(cast block 1394092 --rpc-url "$ETH_RPC_URL" -f logsBloom | md5sum)
+B=$(cast block 1394092 --rpc-url "$OFFICIAL_RPC" -f logsBloom | md5sum)
+echo node "$A"
+echo rpc\  "$B"
+[[ "$A" == "$B" ]] && success "$TITLE" || fail "$TITLE"
+
+TITLE="eth_subscribe newHeads via wscat"
+CMD='{"jsonrpc":"2.0","id":1,"method":"eth_subscribe","params":["newHeads"]}'
+wscat -w 2 -c "$ETH_RPC_URL" -x "$CMD" | tail -1 | jq -r .params.result.nonce | grep 0x \
+    && success "$TITLE" || fail "$TITLE"