2019-12-19 | #12598600

Hard Fork Date | Block Number

Info

• Network: Core

• Date: 2019-12-19

• Block number: 12598600

Description: Istanbul Upgrade

• eip1283Transition

• eip1344Transition

• eip1706Transition

• eip1884Transition

• eip2028Transition

Perform Updates

1. You must update spec.json and Parity node to version 2.6.5 as the spec format was changed. This requires a slightly different update process: Use this guide to upgrade.

2. Organize the HF on block 12598600

Verify

Once your update is complete, verify the HF block number:

grep -n -A2 12598600 spec.json

You should see:

42:    "eip1283Transition": 12598600,
43:    "eip1344Transition": 12598600,
44:    "eip1706Transition": 12598600,
45:    "eip1884Transition": 12598600,
46:    "eip2028Transition": 12598600
47-  },
48-  "genesis": {
--
92:          "12598600": {
93-            "info": "Istanbul HF",
94-            "price": {
--
114:          "12598600": {
115-            "info": "Istanbul HF",
116-            "price": {
--
137:          "12598600": {
138-            "info": "Istanbul HF",
139-            "price": {
--
153:          "12598600": {
154-            "info": "Istanbul HF",
155-            "price": {