Discover and read the best of Twitter Threads about #cadence
Most recents (3)
A huge update is coming to #Cadence, the smart contract language used by @flow_blockchain:
📥Attachments
What are they and how do we code them?
👇🧵
📥Attachments
What are they and how do we code them?
👇🧵
@flow_blockchain 📽️Before I begin, I made a YouTube video diving into attachments here:
@flow_blockchain 1/ What are they?
Attachments are what they sound like: things we can attach to resources and structs in Cadence.
⚔️For example, we can attach a "Pet" or a "Weapon" to any NFT.
Attachments are what they sound like: things we can attach to resources and structs in Cadence.
⚔️For example, we can attach a "Pet" or a "Weapon" to any NFT.
In #Cadence, there are 4 phases to a transaction:
1. "Prepare"
2. "Pre"
3. "Execute"
4. "Post"
What are the differences between them?
👇🧵
1. "Prepare"
2. "Pre"
3. "Execute"
4. "Post"
What are the differences between them?
👇🧵
1. The prepare phase
This is the first part of the transaction to get run.
⚠️It is also the only place you have access to the signer's `AuthAccount`, a type that allows you to have full access to an account.
This is the first part of the transaction to get run.
⚠️It is also the only place you have access to the signer's `AuthAccount`, a type that allows you to have full access to an account.
It is best practice to only use the prepare phase for things that require the `AuthAccount` type, like borrowing a reference to a user's NFT Collection.
You can think of the prepare phase as the "setup" of a transaction.
You can think of the prepare phase as the "setup" of a transaction.
1. Point Sanitaire 23/04 #Genève
-Quasi que du #variant #britannique
-Quelques variants #brésiliens / #sudafricains
dont contamination intra-communautaire (pas que retours de voyage). #Enquêtes d'#entourage précise et + intense pour ces variants
-Pas variant #indien pr l'instant
-Quasi que du #variant #britannique
-Quelques variants #brésiliens / #sudafricains
dont contamination intra-communautaire (pas que retours de voyage). #Enquêtes d'#entourage précise et + intense pour ces variants
-Pas variant #indien pr l'instant
2. Vaccination #Genève
▪️74 et +: Bcp de vaccinés doses 1+2
▪️65-74: bcp de 1ères doses, pas encore de 2ème (ça ne fait pas 4 sem. que vaccination ouverte)
▪️45-64: bcp de #vaccinosenthousiastes ds cette tranche d'âge. Vaccination a commencé. #Palexpo
▪️74 et +: Bcp de vaccinés doses 1+2
▪️65-74: bcp de 1ères doses, pas encore de 2ème (ça ne fait pas 4 sem. que vaccination ouverte)
▪️45-64: bcp de #vaccinosenthousiastes ds cette tranche d'âge. Vaccination a commencé. #Palexpo
3. Vaccination #Genève
Aujourd'hui
▪️Priorité 1:
- 65 et+
- femmes enceintes avec critère vulnérabilité
▪️Priorité2:
- 45 et+
- collaborateurs (prof de santé)
- personnes avec critère de vulnérabilité qq soit âge
Aujourd'hui
▪️Priorité 1:
- 65 et+
- femmes enceintes avec critère vulnérabilité
▪️Priorité2:
- 45 et+
- collaborateurs (prof de santé)
- personnes avec critère de vulnérabilité qq soit âge
