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https://github.com/nspcc-dev/neo-go.git
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a92872931c
When verifying transaction or block, verification script can be a simple PUSHNULL + SYSCALL, which means that script-encontaining entity should be verified.
50 lines
1.5 KiB
Go
50 lines
1.5 KiB
Go
package interop
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import (
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"github.com/nspcc-dev/neo-go/pkg/core/block"
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"github.com/nspcc-dev/neo-go/pkg/core/blockchainer"
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"github.com/nspcc-dev/neo-go/pkg/core/dao"
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"github.com/nspcc-dev/neo-go/pkg/core/state"
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"github.com/nspcc-dev/neo-go/pkg/core/transaction"
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"github.com/nspcc-dev/neo-go/pkg/crypto"
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"github.com/nspcc-dev/neo-go/pkg/smartcontract/trigger"
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"github.com/nspcc-dev/neo-go/pkg/vm"
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"go.uber.org/zap"
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)
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// Context represents context in which interops are executed.
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type Context struct {
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Chain blockchainer.Blockchainer
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Container crypto.Verifiable
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Trigger trigger.Type
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Block *block.Block
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Tx *transaction.Transaction
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DAO *dao.Cached
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Notifications []state.NotificationEvent
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Log *zap.Logger
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}
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// NewContext returns new interop context.
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func NewContext(trigger trigger.Type, bc blockchainer.Blockchainer, d dao.DAO, block *block.Block, tx *transaction.Transaction, log *zap.Logger) *Context {
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dao := dao.NewCached(d)
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nes := make([]state.NotificationEvent, 0)
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return &Context{
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Chain: bc,
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Trigger: trigger,
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Block: block,
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Tx: tx,
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DAO: dao,
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Notifications: nes,
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Log: log,
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}
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}
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// Function binds function name, id with the function itself and price,
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// it's supposed to be inited once for all interopContexts, so it doesn't use
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// vm.InteropFuncPrice directly.
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type Function struct {
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ID uint32
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Name string
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Func func(*Context, *vm.VM) error
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Price int
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}
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