// Parse parses the provided as a stellar "amount", i.e. A 64-bit signed integer
// that represents a decimal number with 7 digits of significance in the
// fractional portion of the number.
func Parse(v string) (xdr.Int64, error) {
var f, o, r big.Rat
_, ok := f.SetString(v)
if !ok {
return xdr.Int64(0), fmt.Errorf("cannot parse amount: %s", v)
}
o.SetInt64(One)
r.Mul(&f, &o)
is := r.FloatString(0)
i, err := strconv.ParseInt(is, 10, 64)
if err != nil {
return xdr.Int64(0), err
}
return xdr.Int64(i), nil
}
})
It("failed", func() {
Expect(subject.Err).To(HaveOccurred())
})
})
})
Describe("Limit", func() {
Context("sets limit properly", func() {
BeforeEach(func() {
mut = Limit("20")
})
It("sets limit value properly", func() {
Expect(subject.CT.Limit).To(Equal(xdr.Int64(200000000)))
})
})
Context("sets max limit properly", func() {
BeforeEach(func() {
mut = MaxLimit
})
It("sets limit value properly", func() {
Expect(subject.CT.Limit).To(Equal(xdr.Int64(9223372036854775807)))
})
})
})
})
Context("using a valid stellar address", func() {
BeforeEach(func() { mut = SourceAccount{address} })
It("succeeds", func() {
Expect(subject.Err).NotTo(HaveOccurred())
})
It("sets the destination to the correct xdr.AccountId", func() {
var aid xdr.AccountId
aid.SetAddress(address)
Expect(subject.O.SourceAccount.MustEd25519()).To(Equal(aid.MustEd25519()))
})
})
Context("using an invalid value", func() {
BeforeEach(func() { mut = SourceAccount{bad} })
It("failed", func() { Expect(subject.Err).To(HaveOccurred()) })
})
})
Describe("NativeAmount", func() {
BeforeEach(func() { mut = NativeAmount{"101"} })
It("sets the starting balance properly", func() {
Expect(subject.CA.StartingBalance).To(Equal(xdr.Int64(1010000000)))
})
It("succeeds", func() {
Expect(subject.Err).NotTo(HaveOccurred())
})
})
})
Expect(found).ToNot(BeNil())
Expect(found.Data.Type).To(Equal(xdr.LedgerEntryTypeAccount))
account := found.Data.MustAccount().AccountId
Expect(account.Equals(masterAccount)).To(BeTrue())
})
})
Describe("StateAfter", func() {
It("returns newly created entries correctly", func() {
state, err := createAccount.StateAfter(newAccount.LedgerKey(), 0)
Expect(err).ToNot(HaveOccurred())
Expect(state).ToNot(BeNil())
account := state.Data.MustAccount()
Expect(account.Balance).To(Equal(xdr.Int64(1000000000)))
})
})
Describe("StateBefore", func() {
Context("Accounts", func() {
It("return nil when the account was created in the operation", func() {
state, err := createAccount.StateBefore(newAccount.LedgerKey(), 0)
Expect(err).ToNot(HaveOccurred())
Expect(state).To(BeNil())
})
It("passes a sanity test", func() {
before, err := createAccount.StateBefore(masterAccount.LedgerKey(), 0)
Expect(err).ToNot(HaveOccurred())
Expect(before).ToNot(BeNil())
Buying: NativeAsset(),
Price: Price("41.265"),
}
)
JustBeforeEach(func() {
subject = ManageOfferBuilder{}
subject.Mutate(mut)
})
Describe("CreateOffer", func() {
Context("creates offer properly", func() {
It("sets values properly", func() {
builder := CreateOffer(rate, "20")
Expect(builder.MO.Amount).To(Equal(xdr.Int64(200000000)))
Expect(builder.MO.Selling.Type).To(Equal(xdr.AssetTypeAssetTypeCreditAlphanum4))
Expect(builder.MO.Selling.AlphaNum4.AssetCode).To(Equal([4]byte{'E', 'U', 'R', 0}))
var aid xdr.AccountId
aid.SetAddress(rate.Selling.Issuer)
Expect(builder.MO.Selling.AlphaNum4.Issuer.MustEd25519()).To(Equal(aid.MustEd25519()))
Expect(builder.MO.Selling.AlphaNum12).To(BeNil())
Expect(builder.MO.Buying.Type).To(Equal(xdr.AssetTypeAssetTypeNative))
Expect(builder.MO.Buying.AlphaNum4).To(BeNil())
Expect(builder.MO.Buying.AlphaNum12).To(BeNil())
Expect(builder.MO.Price.N).To(Equal(xdr.Int32(8253)))
Expect(builder.MO.Price.D).To(Equal(xdr.Int32(200)))
bad = "foo"
)
Describe("Payment", func() {
JustBeforeEach(func() {
subject = PaymentBuilder{}
subject.Mutate(mut)
})
Describe("CreditAmount", func() {
Context("AlphaNum4", func() {
BeforeEach(func() {
mut = CreditAmount{"USD", address, "50.0"}
})
It("sets the asset properly", func() {
Expect(subject.P.Amount).To(Equal(xdr.Int64(500000000)))
Expect(subject.P.Asset.Type).To(Equal(xdr.AssetTypeAssetTypeCreditAlphanum4))
Expect(subject.P.Asset.AlphaNum4.AssetCode).To(Equal([4]byte{'U', 'S', 'D', 0}))
var aid xdr.AccountId
aid.SetAddress(address)
Expect(subject.P.Asset.AlphaNum4.Issuer.MustEd25519()).To(Equal(aid.MustEd25519()))
Expect(subject.P.Asset.AlphaNum12).To(BeNil())
})
It("succeeds", func() {
Expect(subject.Err).NotTo(HaveOccurred())
})
})
Context("AlphaNum12", func() {
BeforeEach(func() {
mut = CreditAmount{"ABCDEF", address, "50.0"}