Remove txGasLimit, update tests

types/context.go

@@ -43,7 +43,7 @@ func NewContext(ms MultiStore, header abci.Header, isCheckTx bool, txBytes []byt
 	c = c.WithIsCheckTx(isCheckTx)
 	c = c.WithTxBytes(txBytes)
 	c = c.WithLogger(logger)
-	c = c.WithGasMeter(NewGasMeter(gasLimit))
+	c = c.WithGasMeter(NewInfiniteGasMeter())
 	return c
 }
 

types/gas.go

@@ -38,3 +38,21 @@ func (g *basicGasMeter) ConsumeGas(amount Gas, descriptor string) {
 		panic(ErrorOutOfGas{descriptor})
 	}
 }
+
+type infiniteGasMeter struct {
+	consumed Gas
+}
+
+func NewInfiniteGasMeter() GasMeter {
+	return &infiniteGasMeter{
+		consumed: 0,
+	}
+}
+
+func (g *infiniteGasMeter) GasConsumed() Gas {
+	return g.consumed
+}
+
+func (g *infiniteGasMeter) ConsumeGas(amount Gas, descriptor string) {
+	g.consumed += amount
+}