fix: make get_proof integration tests more stable (#1236)

* test: make get_proof integration tests more stable

it could fail for error "proof queries at height <= 2 are not supported"
if the latest block number <= 2

* Apply suggestions from code review

tests/integration_tests/test_types.py

@@ -12,6 +12,7 @@ from .utils import (
     deploy_contract,
     send_transaction,
     w3_wait_for_new_blocks,
+    wait_for_block,
 )
 
 
@@ -177,6 +178,7 @@ def send_and_get_hash(w3, tx_value=10):
 
 
 def test_get_proof(ethermint, geth):
+    wait_for_block(ethermint.cosmos_cli(), 3)
     eth_rpc = ethermint.w3.provider
     geth_rpc = geth.w3.provider
     make_same_rpc_calls(

tests/integration_tests/utils.py

@@ -1,6 +1,7 @@
 import json
 import os
 import socket
+import sys
 import time
 from pathlib import Path
 
@@ -75,6 +76,22 @@ def wait_for_new_blocks(cli, n):
             break
 
 
+def wait_for_block(cli, height, timeout=240):
+    for i in range(timeout * 2):
+        try:
+            status = cli.status()
+        except AssertionError as e:
+            print(f"get sync status failed: {e}", file=sys.stderr)
+        else:
+            current_height = int(status["SyncInfo"]["latest_block_height"])
+            if current_height >= height:
+                break
+            print("current block height", current_height)
+        time.sleep(0.5)
+    else:
+        raise TimeoutError(f"wait for block {height} timeout")
+
+
 def deploy_contract(w3, jsonfile, args=(), key=KEYS["validator"]):
     """
     deploy contract and return the deployed contract instance