Add teal3 consensus upgrade support; pending spec hash.

config/consensus.go

@@ -853,12 +853,28 @@ func initConsensusProtocols() {
 	v25.EnableAssetCloseAmount = true
 	Consensus[protocol.ConsensusV25] = v25
 
-	// v24 can be upgraded to v25, with an update delay of 7 days ( see calculation above )
-	v24.ApprovedUpgrades[protocol.ConsensusV25] = 140000
+	// v26 adds support for teal3
+	v26 := v25
+	v26.ApprovedUpgrades = map[protocol.ConsensusVersion]uint64{}
+
+	// Enable the InitialRewardsRateCalculation fix
+	v26.InitialRewardsRateCalculation = true
+
+	// Enable transaction Merkle tree.
+	v26.PaysetCommit = PaysetCommitMerkle
+
+	// Enable teal3
+	v26.LogicSigVersion = 3
+
+	Consensus[protocol.ConsensusV26] = v26
+
+	// v25 or v24 can be upgraded to v26, with an update delay of 7 days ( see calculation above )
+	v25.ApprovedUpgrades[protocol.ConsensusV26] = 140000
+	v24.ApprovedUpgrades[protocol.ConsensusV26] = 140000
 
 	// ConsensusFuture is used to test features that are implemented
 	// but not yet released in a production protocol version.
-	vFuture := v25
+	vFuture := v26
 	vFuture.ApprovedUpgrades = map[protocol.ConsensusVersion]uint64{}
 
 	// FilterTimeout for period 0 should take a new optimized, configured value, need to revisit this later
@@ -871,11 +887,6 @@ func initConsensusProtocols() {
 	vFuture.CompactCertWeightThreshold = (1 << 32) * 30 / 100
 	vFuture.CompactCertSecKQ = 128
 
-	// enable the InitialRewardsRateCalculation fix
-	vFuture.InitialRewardsRateCalculation = true
-	// Enable transaction Merkle tree.
-	vFuture.PaysetCommit = PaysetCommitMerkle
-
 	Consensus[protocol.ConsensusFuture] = vFuture
 }
 

protocol/consensus.go

@@ -138,6 +138,11 @@ const ConsensusV25 = ConsensusVersion(
 	"https://github.com/algorandfoundation/specs/tree/bea19289bf41217d2c0af30522fa222ef1366466",
 )
 
+// ConsensusV26 adds support for teal3
+const ConsensusV26 = ConsensusVersion(
+	"to-be-figured-out",
+)
+
 // ConsensusFuture is a protocol that should not appear in any production
 // network, but is used to test features before they are released.
 const ConsensusFuture = ConsensusVersion(