Adds definition for HF Muir Glacier

src/chains/mainnet.json

@@ -67,6 +67,12 @@
       "block": 9069000,
       "consensus": "pow",
       "finality": null
+    },
+    {
+      "name": "muirGlacier",
+      "block": 9200000,
+      "consensus": "pow",
+      "finality": null
     }
   ],
   "bootstrapNodes": [

src/chains/ropsten.json

@@ -67,6 +67,12 @@
       "block": 6485846,
       "consensus": "pow",
       "finality": null
+    },
+    {
+      "name": "muirGlacier",
+      "block": 7117117,
+      "consensus": "pow",
+      "finality": null
     }
   ],
   "bootstrapNodes": [

src/hardforks/index.ts

@@ -8,4 +8,5 @@ export const hardforks = [
   ['constantinople', require('./constantinople.json')],
   ['petersburg', require('./petersburg.json')],
   ['istanbul', require('./istanbul.json')],
+  ['muirGlacier', require('./muirGlacier.json')],
 ]

src/hardforks/muirGlacier.json

@@ -0,0 +1,14 @@
+{
+  "name": "muirGlacier",
+  "comment": "HF to delay the difficulty bomb",
+  "eip": {
+    "url": "https://eips.ethereum.org/EIPS/eip-2384",
+    "status": "PR"
+  },
+  "gasConfig": {},
+  "gasPrices": {},
+  "vm": {},
+  "pow": {},
+  "casper": {},
+  "sharding": {}
+}

tests/hardforks.ts

@@ -60,8 +60,8 @@ tape('[Common]: Hardfork logic', function(t: tape.Test) {
 
   t.test('activeHardforks()', function(st: tape.Test) {
     let c = new Common('ropsten')
-    let msg = 'should return 8 active hardforks for Ropsten'
-    st.equal(c.activeHardforks().length, 8, msg)
+    let msg = 'should return 9 active hardforks for Ropsten'
+    st.equal(c.activeHardforks().length, 9, msg)
 
     msg = 'should return the correct HF data for Ropsten'
     st.equal(c.activeHardforks()[3]['name'], 'spuriousDragon', msg)
@@ -80,13 +80,17 @@ tape('[Common]: Hardfork logic', function(t: tape.Test) {
     msg = 'should return 2 active HFs when restricted to supported HFs'
     st.equal(c.activeHardforks(null, { onlySupported: true }).length, 2, msg)
 
+    c = new Common('mainnet')
+    msg = 'should return 10 active HFs for mainnet'
+    st.equal(c.activeHardforks().length, 10, msg)
+
     st.end()
   })
 
   t.test('activeHardfork()', function(st: tape.Test) {
     let c = new Common('ropsten')
-    let msg = 'should return istanbul as latest active HF for Ropsten'
-    st.equal(c.activeHardfork(), 'istanbul', msg)
+    let msg = 'should return muirGlacier as latest active HF for Ropsten'
+    st.equal(c.activeHardfork(), 'muirGlacier', msg)
 
     msg = 'should return spuriousDragon as latest active HF for Ropsten for block 10'
     st.equal(c.activeHardfork(10), 'spuriousDragon', msg)
@@ -164,6 +168,14 @@ tape('[Common]: Hardfork logic', function(t: tape.Test) {
     st.end()
   })
 
+  t.test('hardforkGteHardfork() ropsten', function(st: tape.Test) {
+    const c = new Common('ropsten')
+    const msg = 'ropsten, spuriousDragon >= muirGlacier (provided) -> false'
+    st.equal(c.hardforkGteHardfork('spuriousDragon', 'muirGlacier'), false, msg)
+
+    st.end()
+  })
+
   t.test('hardforkIsActiveOnChain()', function(st: tape.Test) {
     let c = new Common('ropsten')
     let msg = 'should return true for byzantium (provided) on Ropsten'