added PreviousAppHash to the x/dao params. Thus enabling notarzation of the app hash of a previous chain state

Signed-off-by: Jürgen Eckel <juergen@riddleandcode.com>

docs/static/openapi.yml

@@ -47048,6 +47048,8 @@ paths:
                   tx_gas_limit:
                     type: string
                     format: uint64
+                  previous_app_hash:
+                    type: string
             description: >-
               QueryParamsResponse is response type for the Query/Params RPC
               method.
@@ -76717,6 +76719,8 @@ definitions:
       tx_gas_limit:
         type: string
         format: uint64
+      previous_app_hash:
+        type: string
     description: Params defines the parameters for the module.
   planetmintgo.dao.QueryAllRedeemClaimResponse:
     type: object
@@ -76992,6 +76996,8 @@ definitions:
           tx_gas_limit:
             type: string
             format: uint64
+          previous_app_hash:
+            type: string
     description: QueryParamsResponse is response type for the Query/Params RPC method.
   planetmintgo.dao.QueryRedeemClaimByLiquidTxHashResponse:
     type: object

proto/planetmintgo/dao/params.proto

@@ -25,4 +25,5 @@ message Params {
   int64 mqtt_response_timeout = 14;
   string claim_address = 15;
   uint64 tx_gas_limit = 16;
+  string previous_app_hash = 17;
 }

x/dao/types/params.go

@@ -17,7 +17,7 @@ func NewParams(mintAddress string, tokenDenom string, stagedDenom string,
 	claimDenom string, reissuanceAsset string, reissuanceEpochs int64, popEpochs int64,
 	distributionOffset int64, distributionAddressEarlyInv string, distributionAddressInvestor string,
 	distributionAddressStrategic string, distributionAddressDao string, distributionAddressPop string,
-	mqttResponseTimeout int64, claimAddress string, txGasLimit uint64) Params {
+	mqttResponseTimeout int64, claimAddress string, txGasLimit uint64, previousAppHash string) Params {
 	return Params{
 		MintAddress:     mintAddress,
 		TokenDenom:      tokenDenom,
@@ -42,6 +42,7 @@ func NewParams(mintAddress string, tokenDenom string, stagedDenom string,
 		MqttResponseTimeout:          mqttResponseTimeout,
 		ClaimAddress:                 claimAddress,
 		TxGasLimit:                   txGasLimit,
+		PreviousAppHash:              previousAppHash,
 	}
 }
 
@@ -63,7 +64,8 @@ func DefaultParams() Params {
 		"vjTvXCFSReRsZ7grdsAreRR12KuKpDw8idueQJK9Yh1BYS7ggAqgvCxCgwh13KGK6M52y37HUmvr4GdD",
 		2000,
 		"plmnt1w5dww335zhh98pzv783hqre355ck3u4w4hjxcx",
-		200000)
+		200000,
+		"")
 }
 
 // ParamSetPairs get the params.ParamSet

x/dao/types/params.pb.go

@@ -41,6 +41,7 @@ type Params struct {
 	MqttResponseTimeout          int64  `protobuf:"varint,14,opt,name=mqtt_response_timeout,json=mqttResponseTimeout,proto3" json:"mqtt_response_timeout,omitempty"`
 	ClaimAddress                 string `protobuf:"bytes,15,opt,name=claim_address,json=claimAddress,proto3" json:"claim_address,omitempty"`
 	TxGasLimit                   uint64 `protobuf:"varint,16,opt,name=tx_gas_limit,json=txGasLimit,proto3" json:"tx_gas_limit,omitempty"`
+	PreviousAppHash              string `protobuf:"bytes,17,opt,name=previous_app_hash,json=previousAppHash,proto3" json:"previous_app_hash,omitempty"`
 }
 
 func (m *Params) Reset()      { *m = Params{} }
@@ -187,6 +188,13 @@ func (m *Params) GetTxGasLimit() uint64 {
 	return 0
 }
 
+func (m *Params) GetPreviousAppHash() string {
+	if m != nil {
+		return m.PreviousAppHash
+	}
+	return ""
+}
+
 func init() {
 	proto.RegisterType((*Params)(nil), "planetmintgo.dao.Params")
 }
@@ -194,38 +202,40 @@ func init() {
 func init() { proto.RegisterFile("planetmintgo/dao/params.proto", fileDescriptor_a58575036b3ad531) }
 
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 }
 
 func (m *Params) Marshal() (dAtA []byte, err error) {
@@ -248,6 +258,15 @@ func (m *Params) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 	_ = i
 	var l int
 	_ = l
+	if len(m.PreviousAppHash) > 0 {
+		i -= len(m.PreviousAppHash)
+		copy(dAtA[i:], m.PreviousAppHash)
+		i = encodeVarintParams(dAtA, i, uint64(len(m.PreviousAppHash)))
+		i--
+		dAtA[i] = 0x1
+		i--
+		dAtA[i] = 0x8a
+	}
 	if m.TxGasLimit != 0 {
 		i = encodeVarintParams(dAtA, i, uint64(m.TxGasLimit))
 		i--
@@ -431,6 +450,10 @@ func (m *Params) Size() (n int) {
 	if m.TxGasLimit != 0 {
 		n += 2 + sovParams(uint64(m.TxGasLimit))
 	}
+	l = len(m.PreviousAppHash)
+	if l > 0 {
+		n += 2 + l + sovParams(uint64(l))
+	}
 	return n
 }
 
@@ -916,6 +939,38 @@ func (m *Params) Unmarshal(dAtA []byte) error {
 					break
 				}
 			}
+		case 17:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field PreviousAppHash", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowParams
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= uint64(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthParams
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex < 0 {
+				return ErrInvalidLengthParams
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.PreviousAppHash = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
 		default:
 			iNdEx = preIndex
 			skippy, err := skipParams(dAtA[iNdEx:])