mirror of
https://github.com/nspcc-dev/neo-go.git
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92 lines
2.6 KiB
Go
92 lines
2.6 KiB
Go
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package neo_test
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import (
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"context"
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"math/big"
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"sort"
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"github.com/nspcc-dev/neo-go/pkg/encoding/address"
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"github.com/nspcc-dev/neo-go/pkg/rpcclient"
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"github.com/nspcc-dev/neo-go/pkg/rpcclient/actor"
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"github.com/nspcc-dev/neo-go/pkg/rpcclient/invoker"
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"github.com/nspcc-dev/neo-go/pkg/rpcclient/neo"
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"github.com/nspcc-dev/neo-go/pkg/wallet"
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)
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func ExampleContractReader() {
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// No error checking done at all, intentionally.
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c, _ := rpcclient.New(context.Background(), "url", rpcclient.Options{})
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// Safe methods are reachable with just an invoker, no need for an account there.
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inv := invoker.New(c, nil)
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// Create a reader interface.
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neoToken := neo.NewReader(inv)
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// Account hash we're interested in.
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accHash, _ := address.StringToUint160("NdypBhqkz2CMMnwxBgvoC9X2XjKF5axgKo")
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// Get the account balance.
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balance, _ := neoToken.BalanceOf(accHash)
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_ = balance
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// Get the extended NEO-specific balance data.
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bNeo, _ := neoToken.GetAccountState(accHash)
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// Account can have no associated vote.
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if bNeo.VoteTo == nil {
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return
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}
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// Committee keys.
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comm, _ := neoToken.GetCommittee()
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// Check if the vote is made for a committee member.
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var votedForCommitteeMember bool
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for i := range comm {
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if bNeo.VoteTo.Equal(comm[i]) {
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votedForCommitteeMember = true
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break
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}
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}
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_ = votedForCommitteeMember
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}
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func ExampleContract() {
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// No error checking done at all, intentionally.
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w, _ := wallet.NewWalletFromFile("somewhere")
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defer w.Close()
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c, _ := rpcclient.New(context.Background(), "url", rpcclient.Options{})
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// Create a simple CalledByEntry-scoped actor (assuming there is an account
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// inside the wallet).
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a, _ := actor.NewSimple(c, w.Accounts[0])
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// Create a complete contract representation.
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neoToken := neo.New(a)
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tgtAcc, _ := address.StringToUint160("NdypBhqkz2CMMnwxBgvoC9X2XjKF5axgKo")
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// Send a transaction that transfers one token to another account.
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txid, vub, _ := neoToken.Transfer(a.Sender(), tgtAcc, big.NewInt(1), nil)
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_ = txid
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_ = vub
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// Get a list of candidates (it's limited, but should be sufficient in most cases).
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cands, _ := neoToken.GetCandidates()
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// Sort by votes.
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sort.Slice(cands, func(i, j int) bool { return cands[i].Votes < cands[j].Votes })
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// Get the extended NEO-specific balance data.
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bNeo, _ := neoToken.GetAccountState(a.Sender())
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// If not yet voted, or voted for suboptimal candidate (we want the one with the least votes),
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// send a new voting transaction
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if bNeo.VoteTo == nil || !bNeo.VoteTo.Equal(&cands[0].PublicKey) {
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txid, vub, _ = neoToken.Vote(a.Sender(), &cands[0].PublicKey)
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_ = txid
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_ = vub
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}
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}
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