import "github.com/iotaledger/giota"

//Trits
tritsFrom:=[]int8{1,-1,1,0,1,1,0,-1,0}
trits,err:=giota.ToTrits(tritsFrom)

//Trytes
trytes:=trits.Trytes()
trytesFrom:="ABCDEAAC9ACB9PO..."
trytes2,err:=giota.ToTrytes(trytesFrom)

//Hash
hash:=trytes.Hash()

//API
api := giota.NewAPI("http://localhost:14265", nil)
resp, err := api.FindTransactions([]Trytes{"DEXRPL...SJRU"})

///Address
index:=0
security:=2
adr,err:=giota.NewAddress(trytes,index,security) //without checksum.
adrWithChecksum := adr.WithChecksum() //adrWithChecksum is trytes type.

//transaction
tx,err:=giota.NewTransaction(trytes)
mwm := 14
if tx.HasValidNonce(mwm){...}
trytes2:=tx.trytes()

//create signature
key := giota.NewKey(seed, index, security)
norm := bundleHash.Normalize()
sign := giota.Sign(norm[:27], key[:6561/3])

//validate signature
if giota.ValidateSig(adr, []giota.Trytes{sign}, bundleHash) {...}

//send
trs := []giota.Transfer{
	giota.Transfer{
		Address: "KTXF...QTIWOWTY",
		Value:   20,
		Tag: "MOUDAMEPO",
	},
}
_, pow := giota.GetBestPoW()
bdl, err = giota.Send(api, seed, security, trs, mwm, pow)


// promote transaction
trs := []giota.Transfer{
	giota.Transfer{
		Address: "999...9999999",
		Value:   0,
		Tag: "PROMOTESPAM",
	},
}
tail := []giota.Trytes("NLN...TY99999")
_, pow := giota.GetBestPoW()
bdl, err = giota.Promote(api, tail, giota.Depth, trs, mwm, pow)