loans: Update mocks and add more unit tests

.github/workflows/build.yml

@@ -1,7 +1,7 @@
 # build workflow builds docker images, pushes images to docker hub and updates swagger API
 on:
   push:
-    branches: [main, invest-endpoint-loan-retrieval-fix]
+    branches: [main]
 name: Build
 jobs:
   build:

go.mod

@@ -6,7 +6,7 @@ require (
 	github.com/ChainSafe/go-schnorrkel v1.0.0
 	github.com/Masterminds/semver v1.5.0
 	github.com/centrifuge/centrifuge-protobufs v1.0.0
-	github.com/centrifuge/chain-custom-types v1.0.8
+	github.com/centrifuge/chain-custom-types v1.0.9
 	github.com/centrifuge/go-substrate-rpc-client/v4 v4.1.0
 	github.com/centrifuge/gocelery/v2 v2.0.0-20221101190423-3b07af1b49a6
 	github.com/centrifuge/precise-proofs v1.0.0

go.sum

@@ -126,8 +126,8 @@ github.com/cenkalti/backoff v2.2.1+incompatible/go.mod h1:90ReRw6GdpyfrHakVjL/QH
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
 github.com/centrifuge/centrifuge-protobufs v1.0.0 h1:ZPg0XpkTrGrjQu8scXjMGs7jjqsWPiXmOXdV/bz30ng=
 github.com/centrifuge/centrifuge-protobufs v1.0.0/go.mod h1:VL6mcnK6vTRiFljHP39J0WBI3Uu5BHQjhdFkCxY9/9I=
-github.com/centrifuge/chain-custom-types v1.0.8 h1:JcXQNzjzs1y/xEBK23XlRJeD1OxLZByfnwstQkORuIg=
-github.com/centrifuge/chain-custom-types v1.0.8/go.mod h1:kSUJ3O83vaLutJIiaEfqwn3lfTaisn/G/baS8WrycTg=
+github.com/centrifuge/chain-custom-types v1.0.9 h1:utkYu/8Tgze6xktHMZ9wgcDHXUsM2yWuwSHL2YqfZ+8=
+github.com/centrifuge/chain-custom-types v1.0.9/go.mod h1:kSUJ3O83vaLutJIiaEfqwn3lfTaisn/G/baS8WrycTg=
 github.com/centrifuge/go-merkle v0.0.0-20190727075423-0ac78bbbc01b h1:TPvvMcGAc3TVBVgQ4XYYEWTXxYls8YuylZ8JzrVxPzc=
 github.com/centrifuge/go-merkle v0.0.0-20190727075423-0ac78bbbc01b/go.mod h1:0voJY6Qzxvr2S0LeDSFQiCnJzGq5gORg2SwCmn8602I=
 github.com/centrifuge/go-substrate-rpc-client/v4 v4.1.0 h1:GEvub7kU5YFAcn5A2uOo4AZSM1/cWZCOvfu7E3gQmK8=

pallets/loans/api.go

@@ -39,41 +39,15 @@ type CreatedLoanStorageEntry struct {
 
 type ActiveLoanStorageEntry struct {
 	LoanID     types.U64
-	ActiveLoan ActiveLoan
-}
-
-type ActiveLoan struct {
-	Schedule                  loans.RepaymentSchedule
-	Collateral                loans.Asset
-	Restrictions              loans.LoanRestrictions
-	Borrower                  types.AccountID
-	WriteOffPercentage        types.U128
-	OriginationDate           types.U64
-	Pricing                   loans.Pricing
-	TotalBorrowed             types.U128
-	TotalRepaid               RepaidAmount
-	RepaymentsOnScheduleUntil types.U64
-}
-
-type RepaidAmount struct {
-	Principal   types.U128
-	Interest    types.U128
-	Unscheduled types.U128
-}
-
-type ClosedLoan struct {
-	ClosedAt      types.U32
-	Info          loans.LoanInfo
-	TotalBorrowed types.U128
-	TotalRepaid   RepaidAmount
+	ActiveLoan loans.ActiveLoan
 }
 
 //go:generate mockery --name API --structname APIMock --filename api_mock.go --inpackage
 
 type API interface {
 	GetCreatedLoan(poolID types.U64, loanID types.U64) (*CreatedLoanStorageEntry, error)
-	GetActiveLoan(poolID types.U64, loanID types.U64) (*ActiveLoan, error)
-	GetClosedLoan(poolID types.U64, loanID types.U64) (*ClosedLoan, error)
+	GetActiveLoan(poolID types.U64, loanID types.U64) (*loans.ActiveLoan, error)
+	GetClosedLoan(poolID types.U64, loanID types.U64) (*loans.ClosedLoan, error)
 }
 
 type api struct {
@@ -152,7 +126,7 @@ func (a *api) GetCreatedLoan(poolID types.U64, loanID types.U64) (*CreatedLoanSt
 	return &createdLoan, nil
 }
 
-func (a *api) GetActiveLoan(poolID types.U64, loanID types.U64) (*ActiveLoan, error) {
+func (a *api) GetActiveLoan(poolID types.U64, loanID types.U64) (*loans.ActiveLoan, error) {
 	err := validation.Validate(
 		validation.NewValidator(poolID, validation.U64ValidationFn),
 	)
@@ -219,7 +193,7 @@ func (a *api) GetActiveLoan(poolID types.U64, loanID types.U64) (*ActiveLoan, er
 	return nil, ErrActiveLoanNotFound
 }
 
-func (a *api) GetClosedLoan(poolID types.U64, loanID types.U64) (*ClosedLoan, error) {
+func (a *api) GetClosedLoan(poolID types.U64, loanID types.U64) (*loans.ClosedLoan, error) {
 	err := validation.Validate(
 		validation.NewValidator(poolID, validation.U64ValidationFn),
 	)
@@ -268,7 +242,7 @@ func (a *api) GetClosedLoan(poolID types.U64, loanID types.U64) (*ClosedLoan, er
 		return nil, errors.ErrStorageKeyCreation
 	}
 
-	var closedLoan ClosedLoan
+	var closedLoan loans.ClosedLoan
 
 	ok, err := a.centAPI.GetStorageLatest(storageKey, &closedLoan)